Home / 102,027.61-153,041.21-27,147.75

Finding the Fourth Proportional to 102,027.61, 153,041.21 and 27,147.75

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Solution

The fourth proportional to 102,027.61, 153,041.21 and 27,147.75 is: 40,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,027.61 : 153,041.21 = 27,147.75 : x
  2. Step 2: Convert to fraction form
    102,027.61/153,041.21 = 27,147.75/x
  3. Step 3: Cross multiply
    102,027.61x = 153,041.21 × 27,147.75
  4. Step 4: Simplify right side
    102,027.61x = 4,154,724,373.04
  5. Step 5: Solve for x
    x = 4,154,724,373.04/102,027.61
  6. Step 6: Final answer
    x = 40,721.57

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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.