Home / 96,031.20-144,046.80-91,110.45

Finding the Fourth Proportional to 96,031.20, 144,046.80 and 91,110.45

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Solution

The fourth proportional to 96,031.20, 144,046.80 and 91,110.45 is: 136,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,031.20 : 144,046.80 = 91,110.45 : x
  2. Step 2: Convert to fraction form
    96,031.20/144,046.80 = 91,110.45/x
  3. Step 3: Cross multiply
    96,031.20x = 144,046.80 × 91,110.45
  4. Step 4: Simplify right side
    96,031.20x = 13,124,168,769.06
  5. Step 5: Solve for x
    x = 13,124,168,769.06/96,031.20
  6. Step 6: Final answer
    x = 136,665.68

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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.