Home / 134,715.78-202,141.80-89,767.74

Finding the Fourth Proportional to 134,715.78, 202,141.80 and 89,767.74

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Solution

The fourth proportional to 134,715.78, 202,141.80 and 89,767.74 is: 134,697.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,715.78 : 202,141.80 = 89,767.74 : x
  2. Step 2: Convert to fraction form
    134,715.78/202,141.80 = 89,767.74/x
  3. Step 3: Cross multiply
    134,715.78x = 202,141.80 × 89,767.74
  4. Step 4: Simplify right side
    134,715.78x = 18,145,812,545.53
  5. Step 5: Solve for x
    x = 18,145,812,545.53/134,715.78
  6. Step 6: Final answer
    x = 134,697.01

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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.