Home / 150,416.10-207,519.30-89,988.48

Finding the Fourth Proportional to 150,416.10, 207,519.30 and 89,988.48

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Solution

The fourth proportional to 150,416.10, 207,519.30 and 89,988.48 is: 124,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,416.10 : 207,519.30 = 89,988.48 : x
  2. Step 2: Convert to fraction form
    150,416.10/207,519.30 = 89,988.48/x
  3. Step 3: Cross multiply
    150,416.10x = 207,519.30 × 89,988.48
  4. Step 4: Simplify right side
    150,416.10x = 18,674,346,377.66
  5. Step 5: Solve for x
    x = 18,674,346,377.66/150,416.10
  6. Step 6: Final answer
    x = 124,151.25

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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.