Home / 132,983.79-183,517.18-72,554.45

Finding the Fourth Proportional to 132,983.79, 183,517.18 and 72,554.45

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Solution

The fourth proportional to 132,983.79, 183,517.18 and 72,554.45 is: 100,124.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,983.79 : 183,517.18 = 72,554.45 : x
  2. Step 2: Convert to fraction form
    132,983.79/183,517.18 = 72,554.45/x
  3. Step 3: Cross multiply
    132,983.79x = 183,517.18 × 72,554.45
  4. Step 4: Simplify right side
    132,983.79x = 13,314,986,961.48
  5. Step 5: Solve for x
    x = 13,314,986,961.48/132,983.79
  6. Step 6: Final answer
    x = 100,124.89

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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.