Home / 162,585.72-243,956.34-57,454.20

Finding the Fourth Proportional to 162,585.72, 243,956.34 and 57,454.20

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Solution

The fourth proportional to 162,585.72, 243,956.34 and 57,454.20 is: 86,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,585.72 : 243,956.34 = 57,454.20 : x
  2. Step 2: Convert to fraction form
    162,585.72/243,956.34 = 57,454.20/x
  3. Step 3: Cross multiply
    162,585.72x = 243,956.34 × 57,454.20
  4. Step 4: Simplify right side
    162,585.72x = 14,016,316,349.63
  5. Step 5: Solve for x
    x = 14,016,316,349.63/162,585.72
  6. Step 6: Final answer
    x = 86,208.78

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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.