Home / 151,711.24-209,311.56-98,027.86

Finding the Fourth Proportional to 151,711.24, 209,311.56 and 98,027.86

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Solution

The fourth proportional to 151,711.24, 209,311.56 and 98,027.86 is: 135,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,711.24 : 209,311.56 = 98,027.86 : x
  2. Step 2: Convert to fraction form
    151,711.24/209,311.56 = 98,027.86/x
  3. Step 3: Cross multiply
    151,711.24x = 209,311.56 × 98,027.86
  4. Step 4: Simplify right side
    151,711.24x = 20,518,364,300.06
  5. Step 5: Solve for x
    x = 20,518,364,300.06/151,711.24
  6. Step 6: Final answer
    x = 135,246.17

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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.