Home / 166,540.80-249,926.40-119,827.20

Finding the Fourth Proportional to 166,540.80, 249,926.40 and 119,827.20

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Solution

The fourth proportional to 166,540.80, 249,926.40 and 119,827.20 is: 179,823.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,540.80 : 249,926.40 = 119,827.20 : x
  2. Step 2: Convert to fraction form
    166,540.80/249,926.40 = 119,827.20/x
  3. Step 3: Cross multiply
    166,540.80x = 249,926.40 × 119,827.20
  4. Step 4: Simplify right side
    166,540.80x = 29,947,980,718.08
  5. Step 5: Solve for x
    x = 29,947,980,718.08/166,540.80
  6. Step 6: Final answer
    x = 179,823.69

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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.