Home / 145,821.60-218,732.40-62,715.60

Finding the Fourth Proportional to 145,821.60, 218,732.40 and 62,715.60

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Solution

The fourth proportional to 145,821.60, 218,732.40 and 62,715.60 is: 94,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,821.60 : 218,732.40 = 62,715.60 : x
  2. Step 2: Convert to fraction form
    145,821.60/218,732.40 = 62,715.60/x
  3. Step 3: Cross multiply
    145,821.60x = 218,732.40 × 62,715.60
  4. Step 4: Simplify right side
    145,821.60x = 13,717,933,705.44
  5. Step 5: Solve for x
    x = 13,717,933,705.44/145,821.60
  6. Step 6: Final answer
    x = 94,073.40

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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.