Home / 170,861.95-235,633.48-130,500.73

Finding the Fourth Proportional to 170,861.95, 235,633.48 and 130,500.73

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Solution

The fourth proportional to 170,861.95, 235,633.48 and 130,500.73 is: 179,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,861.95 : 235,633.48 = 130,500.73 : x
  2. Step 2: Convert to fraction form
    170,861.95/235,633.48 = 130,500.73/x
  3. Step 3: Cross multiply
    170,861.95x = 235,633.48 × 130,500.73
  4. Step 4: Simplify right side
    170,861.95x = 30,750,341,152.44
  5. Step 5: Solve for x
    x = 30,750,341,152.44/170,861.95
  6. Step 6: Final answer
    x = 179,971.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.