Home / 92,320.06-138,480.08-52,849.36

Finding the Fourth Proportional to 92,320.06, 138,480.08 and 52,849.36

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Solution

The fourth proportional to 92,320.06, 138,480.08 and 52,849.36 is: 79,274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,320.06 : 138,480.08 = 52,849.36 : x
  2. Step 2: Convert to fraction form
    92,320.06/138,480.08 = 52,849.36/x
  3. Step 3: Cross multiply
    92,320.06x = 138,480.08 × 52,849.36
  4. Step 4: Simplify right side
    92,320.06x = 7,318,583,600.75
  5. Step 5: Solve for x
    x = 7,318,583,600.75/92,320.06
  6. Step 6: Final answer
    x = 79,274.03

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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.