Home / 140,332.83-193,659.51-79,903.50

Finding the Fourth Proportional to 140,332.83, 193,659.51 and 79,903.50

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Solution

The fourth proportional to 140,332.83, 193,659.51 and 79,903.50 is: 110,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,332.83 : 193,659.51 = 79,903.50 : x
  2. Step 2: Convert to fraction form
    140,332.83/193,659.51 = 79,903.50/x
  3. Step 3: Cross multiply
    140,332.83x = 193,659.51 × 79,903.50
  4. Step 4: Simplify right side
    140,332.83x = 15,474,072,657.29
  5. Step 5: Solve for x
    x = 15,474,072,657.29/140,332.83
  6. Step 6: Final answer
    x = 110,266.95

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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.