Home / 98,948.25-147,879.14-72,350.24

Finding the Fourth Proportional to 98,948.25, 147,879.14 and 72,350.24

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Solution

The fourth proportional to 98,948.25, 147,879.14 and 72,350.24 is: 108,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,948.25 : 147,879.14 = 72,350.24 : x
  2. Step 2: Convert to fraction form
    98,948.25/147,879.14 = 72,350.24/x
  3. Step 3: Cross multiply
    98,948.25x = 147,879.14 × 72,350.24
  4. Step 4: Simplify right side
    98,948.25x = 10,699,090,168.85
  5. Step 5: Solve for x
    x = 10,699,090,168.85/98,948.25
  6. Step 6: Final answer
    x = 108,128.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.