Home / 162,214.76-243,321.90-51,398.12

Finding the Fourth Proportional to 162,214.76, 243,321.90 and 51,398.12

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Solution

The fourth proportional to 162,214.76, 243,321.90 and 51,398.12 is: 77,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,214.76 : 243,321.90 = 51,398.12 : x
  2. Step 2: Convert to fraction form
    162,214.76/243,321.90 = 51,398.12/x
  3. Step 3: Cross multiply
    162,214.76x = 243,321.90 × 51,398.12
  4. Step 4: Simplify right side
    162,214.76x = 12,506,288,214.83
  5. Step 5: Solve for x
    x = 12,506,288,214.83/162,214.76
  6. Step 6: Final answer
    x = 77,097.10

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1.5x scale

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.