Home / 152,639.87-228,882.93-89,475.05

Finding the Fourth Proportional to 152,639.87, 228,882.93 and 89,475.05

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Solution

The fourth proportional to 152,639.87, 228,882.93 and 89,475.05 is: 134,167.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,639.87 : 228,882.93 = 89,475.05 : x
  2. Step 2: Convert to fraction form
    152,639.87/228,882.93 = 89,475.05/x
  3. Step 3: Cross multiply
    152,639.87x = 228,882.93 × 89,475.05
  4. Step 4: Simplify right side
    152,639.87x = 20,479,310,461.48
  5. Step 5: Solve for x
    x = 20,479,310,461.48/152,639.87
  6. Step 6: Final answer
    x = 134,167.51

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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.