Home / 131,387.27-181,314.39-70,957.93

Finding the Fourth Proportional to 131,387.27, 181,314.39 and 70,957.93

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Solution

The fourth proportional to 131,387.27, 181,314.39 and 70,957.93 is: 97,921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,387.27 : 181,314.39 = 70,957.93 : x
  2. Step 2: Convert to fraction form
    131,387.27/181,314.39 = 70,957.93/x
  3. Step 3: Cross multiply
    131,387.27x = 181,314.39 × 70,957.93
  4. Step 4: Simplify right side
    131,387.27x = 12,865,692,532.25
  5. Step 5: Solve for x
    x = 12,865,692,532.25/131,387.27
  6. Step 6: Final answer
    x = 97,921.91

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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.