Home / 150,117.04-207,155.36-89,720.96

Finding the Fourth Proportional to 150,117.04, 207,155.36 and 89,720.96

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Solution

The fourth proportional to 150,117.04, 207,155.36 and 89,720.96 is: 123,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,117.04 : 207,155.36 = 89,720.96 : x
  2. Step 2: Convert to fraction form
    150,117.04/207,155.36 = 89,720.96/x
  3. Step 3: Cross multiply
    150,117.04x = 207,155.36 × 89,720.96
  4. Step 4: Simplify right side
    150,117.04x = 18,586,177,768.35
  5. Step 5: Solve for x
    x = 18,586,177,768.35/150,117.04
  6. Step 6: Final answer
    x = 123,811.25

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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.