Home / 150,346.19-207,472.32-85,818.76

Finding the Fourth Proportional to 150,346.19, 207,472.32 and 85,818.76

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Solution

The fourth proportional to 150,346.19, 207,472.32 and 85,818.76 is: 118,426.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,346.19 : 207,472.32 = 85,818.76 : x
  2. Step 2: Convert to fraction form
    150,346.19/207,472.32 = 85,818.76/x
  3. Step 3: Cross multiply
    150,346.19x = 207,472.32 × 85,818.76
  4. Step 4: Simplify right side
    150,346.19x = 17,805,017,236.72
  5. Step 5: Solve for x
    x = 17,805,017,236.72/150,346.19
  6. Step 6: Final answer
    x = 118,426.79

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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.