Home / 162,018.90-243,074.12-55,425.92

Finding the Fourth Proportional to 162,018.90, 243,074.12 and 55,425.92

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Solution

The fourth proportional to 162,018.90, 243,074.12 and 55,425.92 is: 83,154.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,018.90 : 243,074.12 = 55,425.92 : x
  2. Step 2: Convert to fraction form
    162,018.90/243,074.12 = 55,425.92/x
  3. Step 3: Cross multiply
    162,018.90x = 243,074.12 × 55,425.92
  4. Step 4: Simplify right side
    162,018.90x = 13,472,605,236.69
  5. Step 5: Solve for x
    x = 13,472,605,236.69/162,018.90
  6. Step 6: Final answer
    x = 83,154.53

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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.