Home / 142,827.45-197,113.55-79,184.13

Finding the Fourth Proportional to 142,827.45, 197,113.55 and 79,184.13

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Solution

The fourth proportional to 142,827.45, 197,113.55 and 79,184.13 is: 109,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,827.45 : 197,113.55 = 79,184.13 : x
  2. Step 2: Convert to fraction form
    142,827.45/197,113.55 = 79,184.13/x
  3. Step 3: Cross multiply
    142,827.45x = 197,113.55 × 79,184.13
  4. Step 4: Simplify right side
    142,827.45x = 15,608,264,572.04
  5. Step 5: Solve for x
    x = 15,608,264,572.04/142,827.45
  6. Step 6: Final answer
    x = 109,280.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.