Home / 105,425.16-158,200.12-38,911.62

Finding the Fourth Proportional to 105,425.16, 158,200.12 and 38,911.62

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Solution

The fourth proportional to 105,425.16, 158,200.12 and 38,911.62 is: 58,390.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,425.16 : 158,200.12 = 38,911.62 : x
  2. Step 2: Convert to fraction form
    105,425.16/158,200.12 = 38,911.62/x
  3. Step 3: Cross multiply
    105,425.16x = 158,200.12 × 38,911.62
  4. Step 4: Simplify right side
    105,425.16x = 6,155,822,953.39
  5. Step 5: Solve for x
    x = 6,155,822,953.39/105,425.16
  6. Step 6: Final answer
    x = 58,390.45

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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.