Home / 132,809.18-183,273.50-72,381.74

Finding the Fourth Proportional to 132,809.18, 183,273.50 and 72,381.74

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Solution

The fourth proportional to 132,809.18, 183,273.50 and 72,381.74 is: 99,885.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,809.18 : 183,273.50 = 72,381.74 : x
  2. Step 2: Convert to fraction form
    132,809.18/183,273.50 = 72,381.74/x
  3. Step 3: Cross multiply
    132,809.18x = 183,273.50 × 72,381.74
  4. Step 4: Simplify right side
    132,809.18x = 13,265,654,825.89
  5. Step 5: Solve for x
    x = 13,265,654,825.89/132,809.18
  6. Step 6: Final answer
    x = 99,885.07

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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.