Home / 155,803.84-215,025.36-95,414.56

Finding the Fourth Proportional to 155,803.84, 215,025.36 and 95,414.56

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Solution

The fourth proportional to 155,803.84, 215,025.36 and 95,414.56 is: 131,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,803.84 : 215,025.36 = 95,414.56 : x
  2. Step 2: Convert to fraction form
    155,803.84/215,025.36 = 95,414.56/x
  3. Step 3: Cross multiply
    155,803.84x = 215,025.36 × 95,414.56
  4. Step 4: Simplify right side
    155,803.84x = 20,516,550,113.24
  5. Step 5: Solve for x
    x = 20,516,550,113.24/155,803.84
  6. Step 6: Final answer
    x = 131,681.93

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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.