Home / 90,230.12-124,519.04-56,252.34

Finding the Fourth Proportional to 90,230.12, 124,519.04 and 56,252.34

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Solution

The fourth proportional to 90,230.12, 124,519.04 and 56,252.34 is: 77,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,230.12 : 124,519.04 = 56,252.34 : x
  2. Step 2: Convert to fraction form
    90,230.12/124,519.04 = 56,252.34/x
  3. Step 3: Cross multiply
    90,230.12x = 124,519.04 × 56,252.34
  4. Step 4: Simplify right side
    90,230.12x = 7,004,487,304.24
  5. Step 5: Solve for x
    x = 7,004,487,304.24/90,230.12
  6. Step 6: Final answer
    x = 77,629.15

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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.