Home / 100,331.10-150,496.65-89,444.70

Finding the Fourth Proportional to 100,331.10, 150,496.65 and 89,444.70

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Solution

The fourth proportional to 100,331.10, 150,496.65 and 89,444.70 is: 134,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,331.10 : 150,496.65 = 89,444.70 : x
  2. Step 2: Convert to fraction form
    100,331.10/150,496.65 = 89,444.70/x
  3. Step 3: Cross multiply
    100,331.10x = 150,496.65 × 89,444.70
  4. Step 4: Simplify right side
    100,331.10x = 13,461,127,710.26
  5. Step 5: Solve for x
    x = 13,461,127,710.26/100,331.10
  6. Step 6: Final answer
    x = 134,167.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.