Home / 185,142.91-277,527.36-72,901.89

Finding the Fourth Proportional to 185,142.91, 277,527.36 and 72,901.89

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Solution

The fourth proportional to 185,142.91, 277,527.36 and 72,901.89 is: 109,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,142.91 : 277,527.36 = 72,901.89 : x
  2. Step 2: Convert to fraction form
    185,142.91/277,527.36 = 72,901.89/x
  3. Step 3: Cross multiply
    185,142.91x = 277,527.36 × 72,901.89
  4. Step 4: Simplify right side
    185,142.91x = 20,232,267,318.56
  5. Step 5: Solve for x
    x = 20,232,267,318.56/185,142.91
  6. Step 6: Final answer
    x = 109,279.19

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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.