Home / 208,251.12-312,337.32-101,527.92

Finding the Fourth Proportional to 208,251.12, 312,337.32 and 101,527.92

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Solution

The fourth proportional to 208,251.12, 312,337.32 and 101,527.92 is: 152,272.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,251.12 : 312,337.32 = 101,527.92 : x
  2. Step 2: Convert to fraction form
    208,251.12/312,337.32 = 101,527.92/x
  3. Step 3: Cross multiply
    208,251.12x = 312,337.32 × 101,527.92
  4. Step 4: Simplify right side
    208,251.12x = 31,710,958,437.97
  5. Step 5: Solve for x
    x = 31,710,958,437.97/208,251.12
  6. Step 6: Final answer
    x = 152,272.69

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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.