Home / 145,126.07-217,633.19-56,367.89

Finding the Fourth Proportional to 145,126.07, 217,633.19 and 56,367.89

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Solution

The fourth proportional to 145,126.07, 217,633.19 and 56,367.89 is: 84,530.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,126.07 : 217,633.19 = 56,367.89 : x
  2. Step 2: Convert to fraction form
    145,126.07/217,633.19 = 56,367.89/x
  3. Step 3: Cross multiply
    145,126.07x = 217,633.19 × 56,367.89
  4. Step 4: Simplify right side
    145,126.07x = 12,267,523,432.43
  5. Step 5: Solve for x
    x = 12,267,523,432.43/145,126.07
  6. Step 6: Final answer
    x = 84,530.12

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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.