Home / 132,780.88-183,235.28-72,351.92

Finding the Fourth Proportional to 132,780.88, 183,235.28 and 72,351.92

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Solution

The fourth proportional to 132,780.88, 183,235.28 and 72,351.92 is: 99,844.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,780.88 : 183,235.28 = 72,351.92 : x
  2. Step 2: Convert to fraction form
    132,780.88/183,235.28 = 72,351.92/x
  3. Step 3: Cross multiply
    132,780.88x = 183,235.28 × 72,351.92
  4. Step 4: Simplify right side
    132,780.88x = 13,257,424,319.74
  5. Step 5: Solve for x
    x = 13,257,424,319.74/132,780.88
  6. Step 6: Final answer
    x = 99,844.38

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1.5x scale

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.