Home / 90,233.90-124,536.12-51,986.16

Finding the Fourth Proportional to 90,233.90, 124,536.12 and 51,986.16

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Solution

The fourth proportional to 90,233.90, 124,536.12 and 51,986.16 is: 71,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,233.90 : 124,536.12 = 51,986.16 : x
  2. Step 2: Convert to fraction form
    90,233.90/124,536.12 = 51,986.16/x
  3. Step 3: Cross multiply
    90,233.90x = 124,536.12 × 51,986.16
  4. Step 4: Simplify right side
    90,233.90x = 6,474,154,660.10
  5. Step 5: Solve for x
    x = 6,474,154,660.10/90,233.90
  6. Step 6: Final answer
    x = 71,748.59

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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.