Home / 98,284.28-147,448.29-28,158.13

Finding the Fourth Proportional to 98,284.28, 147,448.29 and 28,158.13

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Solution

The fourth proportional to 98,284.28, 147,448.29 and 28,158.13 is: 42,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,284.28 : 147,448.29 = 28,158.13 : x
  2. Step 2: Convert to fraction form
    98,284.28/147,448.29 = 28,158.13/x
  3. Step 3: Cross multiply
    98,284.28x = 147,448.29 × 28,158.13
  4. Step 4: Simplify right side
    98,284.28x = 4,151,867,380.86
  5. Step 5: Solve for x
    x = 4,151,867,380.86/98,284.28
  6. Step 6: Final answer
    x = 42,243.45

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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.