Home / 131,013.59-180,776.65-73,645.34

Finding the Fourth Proportional to 131,013.59, 180,776.65 and 73,645.34

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Solution

The fourth proportional to 131,013.59, 180,776.65 and 73,645.34 is: 101,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,013.59 : 180,776.65 = 73,645.34 : x
  2. Step 2: Convert to fraction form
    131,013.59/180,776.65 = 73,645.34/x
  3. Step 3: Cross multiply
    131,013.59x = 180,776.65 × 73,645.34
  4. Step 4: Simplify right side
    131,013.59x = 13,313,357,853.31
  5. Step 5: Solve for x
    x = 13,313,357,853.31/131,013.59
  6. Step 6: Final answer
    x = 101,618.14

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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.