Home / 170,807.20-256,235.10-52,460.80

Finding the Fourth Proportional to 170,807.20, 256,235.10 and 52,460.80

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Solution

The fourth proportional to 170,807.20, 256,235.10 and 52,460.80 is: 78,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,807.20 : 256,235.10 = 52,460.80 : x
  2. Step 2: Convert to fraction form
    170,807.20/256,235.10 = 52,460.80/x
  3. Step 3: Cross multiply
    170,807.20x = 256,235.10 × 52,460.80
  4. Step 4: Simplify right side
    170,807.20x = 13,442,298,334.08
  5. Step 5: Solve for x
    x = 13,442,298,334.08/170,807.20
  6. Step 6: Final answer
    x = 78,698.66

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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.