Home / 98,126.60-135,417.20-55,109.52

Finding the Fourth Proportional to 98,126.60, 135,417.20 and 55,109.52

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Solution

The fourth proportional to 98,126.60, 135,417.20 and 55,109.52 is: 76,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,126.60 : 135,417.20 = 55,109.52 : x
  2. Step 2: Convert to fraction form
    98,126.60/135,417.20 = 55,109.52/x
  3. Step 3: Cross multiply
    98,126.60x = 135,417.20 × 55,109.52
  4. Step 4: Simplify right side
    98,126.60x = 7,462,776,891.74
  5. Step 5: Solve for x
    x = 7,462,776,891.74/98,126.60
  6. Step 6: Final answer
    x = 76,052.54

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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.