Home / 150,759.32-208,032.45-87,117.62

Finding the Fourth Proportional to 150,759.32, 208,032.45 and 87,117.62

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Solution

The fourth proportional to 150,759.32, 208,032.45 and 87,117.62 is: 120,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,759.32 : 208,032.45 = 87,117.62 : x
  2. Step 2: Convert to fraction form
    150,759.32/208,032.45 = 87,117.62/x
  3. Step 3: Cross multiply
    150,759.32x = 208,032.45 × 87,117.62
  4. Step 4: Simplify right side
    150,759.32x = 18,123,291,926.77
  5. Step 5: Solve for x
    x = 18,123,291,926.77/150,759.32
  6. Step 6: Final answer
    x = 120,213.41

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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.