Home / 74,158.40-111,226.80-21,562.40

Finding the Fourth Proportional to 74,158.40, 111,226.80 and 21,562.40

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Solution

The fourth proportional to 74,158.40, 111,226.80 and 21,562.40 is: 32,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,158.40 : 111,226.80 = 21,562.40 : x
  2. Step 2: Convert to fraction form
    74,158.40/111,226.80 = 21,562.40/x
  3. Step 3: Cross multiply
    74,158.40x = 111,226.80 × 21,562.40
  4. Step 4: Simplify right side
    74,158.40x = 2,398,316,752.32
  5. Step 5: Solve for x
    x = 2,398,316,752.32/74,158.40
  6. Step 6: Final answer
    x = 32,340.46

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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.