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Finding the Fourth Proportional to 139,088.58, 208,292.58 and 125,610.18

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Solution

The fourth proportional to 139,088.58, 208,292.58 and 125,610.18 is: 188,107.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,088.58 : 208,292.58 = 125,610.18 : x
  2. Step 2: Convert to fraction form
    139,088.58/208,292.58 = 125,610.18/x
  3. Step 3: Cross multiply
    139,088.58x = 208,292.58 × 125,610.18
  4. Step 4: Simplify right side
    139,088.58x = 26,163,668,466.46
  5. Step 5: Solve for x
    x = 26,163,668,466.46/139,088.58
  6. Step 6: Final answer
    x = 188,107.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.