Home / 74,318.16-111,478.95-18,158.73

Finding the Fourth Proportional to 74,318.16, 111,478.95 and 18,158.73

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Solution

The fourth proportional to 74,318.16, 111,478.95 and 18,158.73 is: 27,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,318.16 : 111,478.95 = 18,158.73 : x
  2. Step 2: Convert to fraction form
    74,318.16/111,478.95 = 18,158.73/x
  3. Step 3: Cross multiply
    74,318.16x = 111,478.95 × 18,158.73
  4. Step 4: Simplify right side
    74,318.16x = 2,024,316,153.73
  5. Step 5: Solve for x
    x = 2,024,316,153.73/74,318.16
  6. Step 6: Final answer
    x = 27,238.51

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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.