Home / 145,061.04-217,489.50-56,239.68

Finding the Fourth Proportional to 145,061.04, 217,489.50 and 56,239.68

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Solution

The fourth proportional to 145,061.04, 217,489.50 and 56,239.68 is: 84,319.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,061.04 : 217,489.50 = 56,239.68 : x
  2. Step 2: Convert to fraction form
    145,061.04/217,489.50 = 56,239.68/x
  3. Step 3: Cross multiply
    145,061.04x = 217,489.50 × 56,239.68
  4. Step 4: Simplify right side
    145,061.04x = 12,231,539,883.36
  5. Step 5: Solve for x
    x = 12,231,539,883.36/145,061.04
  6. Step 6: Final answer
    x = 84,319.95

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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.