Home / 162,649.61-224,429.67-102,177.42

Finding the Fourth Proportional to 162,649.61, 224,429.67 and 102,177.42

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Solution

The fourth proportional to 162,649.61, 224,429.67 and 102,177.42 is: 140,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,649.61 : 224,429.67 = 102,177.42 : x
  2. Step 2: Convert to fraction form
    162,649.61/224,429.67 = 102,177.42/x
  3. Step 3: Cross multiply
    162,649.61x = 224,429.67 × 102,177.42
  4. Step 4: Simplify right side
    162,649.61x = 22,931,645,468.57
  5. Step 5: Solve for x
    x = 22,931,645,468.57/162,649.61
  6. Step 6: Final answer
    x = 140,988.02

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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.