Home / 134,769.60-202,154.40-87,530.40

Finding the Fourth Proportional to 134,769.60, 202,154.40 and 87,530.40

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Solution

The fourth proportional to 134,769.60, 202,154.40 and 87,530.40 is: 131,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,769.60 : 202,154.40 = 87,530.40 : x
  2. Step 2: Convert to fraction form
    134,769.60/202,154.40 = 87,530.40/x
  3. Step 3: Cross multiply
    134,769.60x = 202,154.40 × 87,530.40
  4. Step 4: Simplify right side
    134,769.60x = 17,694,655,493.76
  5. Step 5: Solve for x
    x = 17,694,655,493.76/134,769.60
  6. Step 6: Final answer
    x = 131,295.60

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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.