Home / 145,086.12-217,677.78-56,342.52

Finding the Fourth Proportional to 145,086.12, 217,677.78 and 56,342.52

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Solution

The fourth proportional to 145,086.12, 217,677.78 and 56,342.52 is: 84,532.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,086.12 : 217,677.78 = 56,342.52 : x
  2. Step 2: Convert to fraction form
    145,086.12/217,677.78 = 56,342.52/x
  3. Step 3: Cross multiply
    145,086.12x = 217,677.78 × 56,342.52
  4. Step 4: Simplify right side
    145,086.12x = 12,264,514,673.21
  5. Step 5: Solve for x
    x = 12,264,514,673.21/145,086.12
  6. Step 6: Final answer
    x = 84,532.65

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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.