Home / 131,355.32-197,030.86-89,130.38

Finding the Fourth Proportional to 131,355.32, 197,030.86 and 89,130.38

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Solution

The fourth proportional to 131,355.32, 197,030.86 and 89,130.38 is: 133,694.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,355.32 : 197,030.86 = 89,130.38 : x
  2. Step 2: Convert to fraction form
    131,355.32/197,030.86 = 89,130.38/x
  3. Step 3: Cross multiply
    131,355.32x = 197,030.86 × 89,130.38
  4. Step 4: Simplify right side
    131,355.32x = 17,561,435,423.53
  5. Step 5: Solve for x
    x = 17,561,435,423.53/131,355.32
  6. Step 6: Final answer
    x = 133,694.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.