Home / 145,575.38-218,013.15-83,056.34

Finding the Fourth Proportional to 145,575.38, 218,013.15 and 83,056.34

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Solution

The fourth proportional to 145,575.38, 218,013.15 and 83,056.34 is: 124,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,575.38 : 218,013.15 = 83,056.34 : x
  2. Step 2: Convert to fraction form
    145,575.38/218,013.15 = 83,056.34/x
  3. Step 3: Cross multiply
    145,575.38x = 218,013.15 × 83,056.34
  4. Step 4: Simplify right side
    145,575.38x = 18,107,374,310.87
  5. Step 5: Solve for x
    x = 18,107,374,310.87/145,575.38
  6. Step 6: Final answer
    x = 124,384.87

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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.