Home / 131,528.07-180,660.92-129,006.34

Finding the Fourth Proportional to 131,528.07, 180,660.92 and 129,006.34

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Solution

The fourth proportional to 131,528.07, 180,660.92 and 129,006.34 is: 177,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,528.07 : 180,660.92 = 129,006.34 : x
  2. Step 2: Convert to fraction form
    131,528.07/180,660.92 = 129,006.34/x
  3. Step 3: Cross multiply
    131,528.07x = 180,660.92 × 129,006.34
  4. Step 4: Simplify right side
    131,528.07x = 23,306,402,973.55
  5. Step 5: Solve for x
    x = 23,306,402,973.55/131,528.07
  6. Step 6: Final answer
    x = 177,197.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.