Home / 90,267.12-124,609.38-58,048.56

Finding the Fourth Proportional to 90,267.12, 124,609.38 and 58,048.56

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Solution

The fourth proportional to 90,267.12, 124,609.38 and 58,048.56 is: 80,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,267.12 : 124,609.38 = 58,048.56 : x
  2. Step 2: Convert to fraction form
    90,267.12/124,609.38 = 58,048.56/x
  3. Step 3: Cross multiply
    90,267.12x = 124,609.38 × 58,048.56
  4. Step 4: Simplify right side
    90,267.12x = 7,233,395,071.49
  5. Step 5: Solve for x
    x = 7,233,395,071.49/90,267.12
  6. Step 6: Final answer
    x = 80,133.22

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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.