Home / 90,018.72-124,232.08-52,304.80

Finding the Fourth Proportional to 90,018.72, 124,232.08 and 52,304.80

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Solution

The fourth proportional to 90,018.72, 124,232.08 and 52,304.80 is: 72,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,018.72 : 124,232.08 = 52,304.80 : x
  2. Step 2: Convert to fraction form
    90,018.72/124,232.08 = 52,304.80/x
  3. Step 3: Cross multiply
    90,018.72x = 124,232.08 × 52,304.80
  4. Step 4: Simplify right side
    90,018.72x = 6,497,934,097.98
  5. Step 5: Solve for x
    x = 6,497,934,097.98/90,018.72
  6. Step 6: Final answer
    x = 72,184.25

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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.