Home / 145,799.44-218,203.12-89,609.92

Finding the Fourth Proportional to 145,799.44, 218,203.12 and 89,609.92

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Solution

The fourth proportional to 145,799.44, 218,203.12 and 89,609.92 is: 134,110.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,799.44 : 218,203.12 = 89,609.92 : x
  2. Step 2: Convert to fraction form
    145,799.44/218,203.12 = 89,609.92/x
  3. Step 3: Cross multiply
    145,799.44x = 218,203.12 × 89,609.92
  4. Step 4: Simplify right side
    145,799.44x = 19,553,164,126.95
  5. Step 5: Solve for x
    x = 19,553,164,126.95/145,799.44
  6. Step 6: Final answer
    x = 134,110.01

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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.