Home / 134,737.19-185,950.47-100,686.55

Finding the Fourth Proportional to 134,737.19, 185,950.47 and 100,686.55

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Solution

The fourth proportional to 134,737.19, 185,950.47 and 100,686.55 is: 138,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,737.19 : 185,950.47 = 100,686.55 : x
  2. Step 2: Convert to fraction form
    134,737.19/185,950.47 = 100,686.55/x
  3. Step 3: Cross multiply
    134,737.19x = 185,950.47 × 100,686.55
  4. Step 4: Simplify right side
    134,737.19x = 18,722,711,295.18
  5. Step 5: Solve for x
    x = 18,722,711,295.18/134,737.19
  6. Step 6: Final answer
    x = 138,957.26

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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.