Home / 140,282.55-193,541.87-79,838.06

Finding the Fourth Proportional to 140,282.55, 193,541.87 and 79,838.06

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Solution

The fourth proportional to 140,282.55, 193,541.87 and 79,838.06 is: 110,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,282.55 : 193,541.87 = 79,838.06 : x
  2. Step 2: Convert to fraction form
    140,282.55/193,541.87 = 79,838.06/x
  3. Step 3: Cross multiply
    140,282.55x = 193,541.87 × 79,838.06
  4. Step 4: Simplify right side
    140,282.55x = 15,452,006,661.46
  5. Step 5: Solve for x
    x = 15,452,006,661.46/140,282.55
  6. Step 6: Final answer
    x = 110,149.17

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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.