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Finding the Fourth Proportional to 145,337.42, 200,562.78 and 88,748.78

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Solution

The fourth proportional to 145,337.42, 200,562.78 and 88,748.78 is: 122,471.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,337.42 : 200,562.78 = 88,748.78 : x
  2. Step 2: Convert to fraction form
    145,337.42/200,562.78 = 88,748.78/x
  3. Step 3: Cross multiply
    145,337.42x = 200,562.78 × 88,748.78
  4. Step 4: Simplify right side
    145,337.42x = 17,799,702,038.41
  5. Step 5: Solve for x
    x = 17,799,702,038.41/145,337.42
  6. Step 6: Final answer
    x = 122,471.57

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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.