Home / 98,730.90-147,999.15-48,818.70

Finding the Fourth Proportional to 98,730.90, 147,999.15 and 48,818.70

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Solution

The fourth proportional to 98,730.90, 147,999.15 and 48,818.70 is: 73,179.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,730.90 : 147,999.15 = 48,818.70 : x
  2. Step 2: Convert to fraction form
    98,730.90/147,999.15 = 48,818.70/x
  3. Step 3: Cross multiply
    98,730.90x = 147,999.15 × 48,818.70
  4. Step 4: Simplify right side
    98,730.90x = 7,225,126,104.11
  5. Step 5: Solve for x
    x = 7,225,126,104.11/98,730.90
  6. Step 6: Final answer
    x = 73,179.99

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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.