Home / 90,436.36-124,776.18-52,192.84

Finding the Fourth Proportional to 90,436.36, 124,776.18 and 52,192.84

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Solution

The fourth proportional to 90,436.36, 124,776.18 and 52,192.84 is: 72,011.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,436.36 : 124,776.18 = 52,192.84 : x
  2. Step 2: Convert to fraction form
    90,436.36/124,776.18 = 52,192.84/x
  3. Step 3: Cross multiply
    90,436.36x = 124,776.18 × 52,192.84
  4. Step 4: Simplify right side
    90,436.36x = 6,512,423,198.55
  5. Step 5: Solve for x
    x = 6,512,423,198.55/90,436.36
  6. Step 6: Final answer
    x = 72,011.12

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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.