Home / 169,557.60-254,336.40-130,312.80

Finding the Fourth Proportional to 169,557.60, 254,336.40 and 130,312.80

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Solution

The fourth proportional to 169,557.60, 254,336.40 and 130,312.80 is: 195,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,557.60 : 254,336.40 = 130,312.80 : x
  2. Step 2: Convert to fraction form
    169,557.60/254,336.40 = 130,312.80/x
  3. Step 3: Cross multiply
    169,557.60x = 254,336.40 × 130,312.80
  4. Step 4: Simplify right side
    169,557.60x = 33,143,288,425.92
  5. Step 5: Solve for x
    x = 33,143,288,425.92/169,557.60
  6. Step 6: Final answer
    x = 195,469.20

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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.