Home / 98,397.40-147,580.26-28,260.76

Finding the Fourth Proportional to 98,397.40, 147,580.26 and 28,260.76

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Solution

The fourth proportional to 98,397.40, 147,580.26 and 28,260.76 is: 42,386.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,397.40 : 147,580.26 = 28,260.76 : x
  2. Step 2: Convert to fraction form
    98,397.40/147,580.26 = 28,260.76/x
  3. Step 3: Cross multiply
    98,397.40x = 147,580.26 × 28,260.76
  4. Step 4: Simplify right side
    98,397.40x = 4,170,730,308.60
  5. Step 5: Solve for x
    x = 4,170,730,308.60/98,397.40
  6. Step 6: Final answer
    x = 42,386.59

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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.