Home / 109,060.90-150,501.45-71,334.34

Finding the Fourth Proportional to 109,060.90, 150,501.45 and 71,334.34

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Solution

The fourth proportional to 109,060.90, 150,501.45 and 71,334.34 is: 98,439.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,060.90 : 150,501.45 = 71,334.34 : x
  2. Step 2: Convert to fraction form
    109,060.90/150,501.45 = 71,334.34/x
  3. Step 3: Cross multiply
    109,060.90x = 150,501.45 × 71,334.34
  4. Step 4: Simplify right side
    109,060.90x = 10,735,921,604.79
  5. Step 5: Solve for x
    x = 10,735,921,604.79/109,060.90
  6. Step 6: Final answer
    x = 98,439.69

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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.