Home / 128,947.95-193,492.53-50,065.29

Finding the Fourth Proportional to 128,947.95, 193,492.53 and 50,065.29

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Solution

The fourth proportional to 128,947.95, 193,492.53 and 50,065.29 is: 75,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,947.95 : 193,492.53 = 50,065.29 : x
  2. Step 2: Convert to fraction form
    128,947.95/193,492.53 = 50,065.29/x
  3. Step 3: Cross multiply
    128,947.95x = 193,492.53 × 50,065.29
  4. Step 4: Simplify right side
    128,947.95x = 9,687,259,627.28
  5. Step 5: Solve for x
    x = 9,687,259,627.28/128,947.95
  6. Step 6: Final answer
    x = 75,125.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.