Home / 90,270.12-124,613.52-58,051.56

Finding the Fourth Proportional to 90,270.12, 124,613.52 and 58,051.56

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Solution

The fourth proportional to 90,270.12, 124,613.52 and 58,051.56 is: 80,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,270.12 : 124,613.52 = 58,051.56 : x
  2. Step 2: Convert to fraction form
    90,270.12/124,613.52 = 58,051.56/x
  3. Step 3: Cross multiply
    90,270.12x = 124,613.52 × 58,051.56
  4. Step 4: Simplify right side
    90,270.12x = 7,234,009,233.09
  5. Step 5: Solve for x
    x = 7,234,009,233.09/90,270.12
  6. Step 6: Final answer
    x = 80,137.36

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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.