Home / 89,816.28-134,807.85-45,474.45

Finding the Fourth Proportional to 89,816.28, 134,807.85 and 45,474.45

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Solution

The fourth proportional to 89,816.28, 134,807.85 and 45,474.45 is: 68,253.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,816.28 : 134,807.85 = 45,474.45 : x
  2. Step 2: Convert to fraction form
    89,816.28/134,807.85 = 45,474.45/x
  3. Step 3: Cross multiply
    89,816.28x = 134,807.85 × 45,474.45
  4. Step 4: Simplify right side
    89,816.28x = 6,130,312,834.43
  5. Step 5: Solve for x
    x = 6,130,312,834.43/89,816.28
  6. Step 6: Final answer
    x = 68,253.92

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1.5x scale

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.