Home / 156,063.75-215,366.43-84,442.20

Finding the Fourth Proportional to 156,063.75, 215,366.43 and 84,442.20

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Solution

The fourth proportional to 156,063.75, 215,366.43 and 84,442.20 is: 116,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,063.75 : 215,366.43 = 84,442.20 : x
  2. Step 2: Convert to fraction form
    156,063.75/215,366.43 = 84,442.20/x
  3. Step 3: Cross multiply
    156,063.75x = 215,366.43 × 84,442.20
  4. Step 4: Simplify right side
    156,063.75x = 18,186,015,155.35
  5. Step 5: Solve for x
    x = 18,186,015,155.35/156,063.75
  6. Step 6: Final answer
    x = 116,529.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.