Home / 157,277.70-217,045.53-89,292.42

Finding the Fourth Proportional to 157,277.70, 217,045.53 and 89,292.42

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Solution

The fourth proportional to 157,277.70, 217,045.53 and 89,292.42 is: 123,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,277.70 : 217,045.53 = 89,292.42 : x
  2. Step 2: Convert to fraction form
    157,277.70/217,045.53 = 89,292.42/x
  3. Step 3: Cross multiply
    157,277.70x = 217,045.53 × 89,292.42
  4. Step 4: Simplify right side
    157,277.70x = 19,380,520,623.88
  5. Step 5: Solve for x
    x = 19,380,520,623.88/157,277.70
  6. Step 6: Final answer
    x = 123,224.85

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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.