Home / 145,854.27-218,693.84-57,001.86

Finding the Fourth Proportional to 145,854.27, 218,693.84 and 57,001.86

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Solution

The fourth proportional to 145,854.27, 218,693.84 and 57,001.86 is: 85,468.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,854.27 : 218,693.84 = 57,001.86 : x
  2. Step 2: Convert to fraction form
    145,854.27/218,693.84 = 57,001.86/x
  3. Step 3: Cross multiply
    145,854.27x = 218,693.84 × 57,001.86
  4. Step 4: Simplify right side
    145,854.27x = 12,465,955,365.53
  5. Step 5: Solve for x
    x = 12,465,955,365.53/145,854.27
  6. Step 6: Final answer
    x = 85,468.57

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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.