Home / 98,545.42-147,818.94-42,381.64

Finding the Fourth Proportional to 98,545.42, 147,818.94 and 42,381.64

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Solution

The fourth proportional to 98,545.42, 147,818.94 and 42,381.64 is: 63,572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,545.42 : 147,818.94 = 42,381.64 : x
  2. Step 2: Convert to fraction form
    98,545.42/147,818.94 = 42,381.64/x
  3. Step 3: Cross multiply
    98,545.42x = 147,818.94 × 42,381.64
  4. Step 4: Simplify right side
    98,545.42x = 6,264,809,100.26
  5. Step 5: Solve for x
    x = 6,264,809,100.26/98,545.42
  6. Step 6: Final answer
    x = 63,572.81

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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.