Home / 166,070.20-249,105.30-142,742.20

Finding the Fourth Proportional to 166,070.20, 249,105.30 and 142,742.20

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Solution

The fourth proportional to 166,070.20, 249,105.30 and 142,742.20 is: 214,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,070.20 : 249,105.30 = 142,742.20 : x
  2. Step 2: Convert to fraction form
    166,070.20/249,105.30 = 142,742.20/x
  3. Step 3: Cross multiply
    166,070.20x = 249,105.30 × 142,742.20
  4. Step 4: Simplify right side
    166,070.20x = 35,557,838,553.66
  5. Step 5: Solve for x
    x = 35,557,838,553.66/166,070.20
  6. Step 6: Final answer
    x = 214,113.30

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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.