Home / 224,913.08-310,370.86-129,423.20

Finding the Fourth Proportional to 224,913.08, 310,370.86 and 129,423.20

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Solution

The fourth proportional to 224,913.08, 310,370.86 and 129,423.20 is: 178,598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,913.08 : 310,370.86 = 129,423.20 : x
  2. Step 2: Convert to fraction form
    224,913.08/310,370.86 = 129,423.20/x
  3. Step 3: Cross multiply
    224,913.08x = 310,370.86 × 129,423.20
  4. Step 4: Simplify right side
    224,913.08x = 40,169,189,887.95
  5. Step 5: Solve for x
    x = 40,169,189,887.95/224,913.08
  6. Step 6: Final answer
    x = 178,598.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.