Home / 140,988.87-194,567.67-77,326.52

Finding the Fourth Proportional to 140,988.87, 194,567.67 and 77,326.52

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Solution

The fourth proportional to 140,988.87, 194,567.67 and 77,326.52 is: 106,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,988.87 : 194,567.67 = 77,326.52 : x
  2. Step 2: Convert to fraction form
    140,988.87/194,567.67 = 77,326.52/x
  3. Step 3: Cross multiply
    140,988.87x = 194,567.67 × 77,326.52
  4. Step 4: Simplify right side
    140,988.87x = 15,045,239,852.77
  5. Step 5: Solve for x
    x = 15,045,239,852.77/140,988.87
  6. Step 6: Final answer
    x = 106,712.25

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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.