Home / 145,955.31-218,932.98-112,723.86

Finding the Fourth Proportional to 145,955.31, 218,932.98 and 112,723.86

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Solution

The fourth proportional to 145,955.31, 218,932.98 and 112,723.86 is: 169,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,955.31 : 218,932.98 = 112,723.86 : x
  2. Step 2: Convert to fraction form
    145,955.31/218,932.98 = 112,723.86/x
  3. Step 3: Cross multiply
    145,955.31x = 218,932.98 × 112,723.86
  4. Step 4: Simplify right side
    145,955.31x = 24,678,970,586.90
  5. Step 5: Solve for x
    x = 24,678,970,586.90/145,955.31
  6. Step 6: Final answer
    x = 169,085.80

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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.