Home / 162,108.92-243,161.28-42,155.24

Finding the Fourth Proportional to 162,108.92, 243,161.28 and 42,155.24

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Solution

The fourth proportional to 162,108.92, 243,161.28 and 42,155.24 is: 63,232.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,108.92 : 243,161.28 = 42,155.24 : x
  2. Step 2: Convert to fraction form
    162,108.92/243,161.28 = 42,155.24/x
  3. Step 3: Cross multiply
    162,108.92x = 243,161.28 × 42,155.24
  4. Step 4: Simplify right side
    162,108.92x = 10,250,522,117.11
  5. Step 5: Solve for x
    x = 10,250,522,117.11/162,108.92
  6. Step 6: Final answer
    x = 63,232.31

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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.