Home / 140,864.67-194,392.71-76,332.98

Finding the Fourth Proportional to 140,864.67, 194,392.71 and 76,332.98

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Solution

The fourth proportional to 140,864.67, 194,392.71 and 76,332.98 is: 105,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,864.67 : 194,392.71 = 76,332.98 : x
  2. Step 2: Convert to fraction form
    140,864.67/194,392.71 = 76,332.98/x
  3. Step 3: Cross multiply
    140,864.67x = 194,392.71 × 76,332.98
  4. Step 4: Simplify right side
    140,864.67x = 14,838,575,330.56
  5. Step 5: Solve for x
    x = 14,838,575,330.56/140,864.67
  6. Step 6: Final answer
    x = 105,339.23

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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.