Home / 109,614.67-151,293.52-64,307.21

Finding the Fourth Proportional to 109,614.67, 151,293.52 and 64,307.21

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Solution

The fourth proportional to 109,614.67, 151,293.52 and 64,307.21 is: 88,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,614.67 : 151,293.52 = 64,307.21 : x
  2. Step 2: Convert to fraction form
    109,614.67/151,293.52 = 64,307.21/x
  3. Step 3: Cross multiply
    109,614.67x = 151,293.52 × 64,307.21
  4. Step 4: Simplify right side
    109,614.67x = 9,729,264,162.28
  5. Step 5: Solve for x
    x = 9,729,264,162.28/109,614.67
  6. Step 6: Final answer
    x = 88,758.78

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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.