Home / 187,841.28-259,012.80-119,750.40

Finding the Fourth Proportional to 187,841.28, 259,012.80 and 119,750.40

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Solution

The fourth proportional to 187,841.28, 259,012.80 and 119,750.40 is: 165,122.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,841.28 : 259,012.80 = 119,750.40 : x
  2. Step 2: Convert to fraction form
    187,841.28/259,012.80 = 119,750.40/x
  3. Step 3: Cross multiply
    187,841.28x = 259,012.80 × 119,750.40
  4. Step 4: Simplify right side
    187,841.28x = 31,016,886,405.12
  5. Step 5: Solve for x
    x = 31,016,886,405.12/187,841.28
  6. Step 6: Final answer
    x = 165,122.84

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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.