Home / 166,402.80-249,458.40-99,772.20

Finding the Fourth Proportional to 166,402.80, 249,458.40 and 99,772.20

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Solution

The fourth proportional to 166,402.80, 249,458.40 and 99,772.20 is: 149,570.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,402.80 : 249,458.40 = 99,772.20 : x
  2. Step 2: Convert to fraction form
    166,402.80/249,458.40 = 99,772.20/x
  3. Step 3: Cross multiply
    166,402.80x = 249,458.40 × 99,772.20
  4. Step 4: Simplify right side
    166,402.80x = 24,889,013,376.48
  5. Step 5: Solve for x
    x = 24,889,013,376.48/166,402.80
  6. Step 6: Final answer
    x = 149,570.88

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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.