Home / 136,460.23-188,320.91-76,030.84

Finding the Fourth Proportional to 136,460.23, 188,320.91 and 76,030.84

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Solution

The fourth proportional to 136,460.23, 188,320.91 and 76,030.84 is: 104,925.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,460.23 : 188,320.91 = 76,030.84 : x
  2. Step 2: Convert to fraction form
    136,460.23/188,320.91 = 76,030.84/x
  3. Step 3: Cross multiply
    136,460.23x = 188,320.91 × 76,030.84
  4. Step 4: Simplify right side
    136,460.23x = 14,318,196,976.86
  5. Step 5: Solve for x
    x = 14,318,196,976.86/136,460.23
  6. Step 6: Final answer
    x = 104,925.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.