Home / 162,331.29-243,434.97-78,038.24

Finding the Fourth Proportional to 162,331.29, 243,434.97 and 78,038.24

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Solution

The fourth proportional to 162,331.29, 243,434.97 and 78,038.24 is: 117,027.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,331.29 : 243,434.97 = 78,038.24 : x
  2. Step 2: Convert to fraction form
    162,331.29/243,434.97 = 78,038.24/x
  3. Step 3: Cross multiply
    162,331.29x = 243,434.97 × 78,038.24
  4. Step 4: Simplify right side
    162,331.29x = 18,997,235,396.08
  5. Step 5: Solve for x
    x = 18,997,235,396.08/162,331.29
  6. Step 6: Final answer
    x = 117,027.56

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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.