Home / 100,397.28-150,595.68-55,416.48

Finding the Fourth Proportional to 100,397.28, 150,595.68 and 55,416.48

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Solution

The fourth proportional to 100,397.28, 150,595.68 and 55,416.48 is: 83,124.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,397.28 : 150,595.68 = 55,416.48 : x
  2. Step 2: Convert to fraction form
    100,397.28/150,595.68 = 55,416.48/x
  3. Step 3: Cross multiply
    100,397.28x = 150,595.68 × 55,416.48
  4. Step 4: Simplify right side
    100,397.28x = 8,345,482,488.81
  5. Step 5: Solve for x
    x = 8,345,482,488.81/100,397.28
  6. Step 6: Final answer
    x = 83,124.59

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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.