Home / 162,086.72-243,154.32-56,887.20

Finding the Fourth Proportional to 162,086.72, 243,154.32 and 56,887.20

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Solution

The fourth proportional to 162,086.72, 243,154.32 and 56,887.20 is: 85,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,086.72 : 243,154.32 = 56,887.20 : x
  2. Step 2: Convert to fraction form
    162,086.72/243,154.32 = 56,887.20/x
  3. Step 3: Cross multiply
    162,086.72x = 243,154.32 × 56,887.20
  4. Step 4: Simplify right side
    162,086.72x = 13,832,368,432.70
  5. Step 5: Solve for x
    x = 13,832,368,432.70/162,086.72
  6. Step 6: Final answer
    x = 85,339.31

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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.