Home / 98,331.76-147,503.18-28,209.25

Finding the Fourth Proportional to 98,331.76, 147,503.18 and 28,209.25

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Solution

The fourth proportional to 98,331.76, 147,503.18 and 28,209.25 is: 42,315.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,331.76 : 147,503.18 = 28,209.25 : x
  2. Step 2: Convert to fraction form
    98,331.76/147,503.18 = 28,209.25/x
  3. Step 3: Cross multiply
    98,331.76x = 147,503.18 × 28,209.25
  4. Step 4: Simplify right side
    98,331.76x = 4,160,954,080.42
  5. Step 5: Solve for x
    x = 4,160,954,080.42/98,331.76
  6. Step 6: Final answer
    x = 42,315.46

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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.