Home / 74,118.80-111,152.28-21,514.16

Finding the Fourth Proportional to 74,118.80, 111,152.28 and 21,514.16

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Solution

The fourth proportional to 74,118.80, 111,152.28 and 21,514.16 is: 32,263.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,118.80 : 111,152.28 = 21,514.16 : x
  2. Step 2: Convert to fraction form
    74,118.80/111,152.28 = 21,514.16/x
  3. Step 3: Cross multiply
    74,118.80x = 111,152.28 × 21,514.16
  4. Step 4: Simplify right side
    74,118.80x = 2,391,347,936.28
  5. Step 5: Solve for x
    x = 2,391,347,936.28/74,118.80
  6. Step 6: Final answer
    x = 32,263.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.