Home / 98,830.24-136,385.52-53,508.20

Finding the Fourth Proportional to 98,830.24, 136,385.52 and 53,508.20

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Solution

The fourth proportional to 98,830.24, 136,385.52 and 53,508.20 is: 73,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,830.24 : 136,385.52 = 53,508.20 : x
  2. Step 2: Convert to fraction form
    98,830.24/136,385.52 = 53,508.20/x
  3. Step 3: Cross multiply
    98,830.24x = 136,385.52 × 53,508.20
  4. Step 4: Simplify right side
    98,830.24x = 7,297,743,681.26
  5. Step 5: Solve for x
    x = 7,297,743,681.26/98,830.24
  6. Step 6: Final answer
    x = 73,841.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.