Home / 162,565.24-243,626.26-78,319.27

Finding the Fourth Proportional to 162,565.24, 243,626.26 and 78,319.27

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Solution

The fourth proportional to 162,565.24, 243,626.26 and 78,319.27 is: 117,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,565.24 : 243,626.26 = 78,319.27 : x
  2. Step 2: Convert to fraction form
    162,565.24/243,626.26 = 78,319.27/x
  3. Step 3: Cross multiply
    162,565.24x = 243,626.26 × 78,319.27
  4. Step 4: Simplify right side
    162,565.24x = 19,080,630,836.03
  5. Step 5: Solve for x
    x = 19,080,630,836.03/162,565.24
  6. Step 6: Final answer
    x = 117,372.14

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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.