Home / 177,037.20-265,555.80-142,045.20

Finding the Fourth Proportional to 177,037.20, 265,555.80 and 142,045.20

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Solution

The fourth proportional to 177,037.20, 265,555.80 and 142,045.20 is: 213,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,037.20 : 265,555.80 = 142,045.20 : x
  2. Step 2: Convert to fraction form
    177,037.20/265,555.80 = 142,045.20/x
  3. Step 3: Cross multiply
    177,037.20x = 265,555.80 × 142,045.20
  4. Step 4: Simplify right side
    177,037.20x = 37,720,926,722.16
  5. Step 5: Solve for x
    x = 37,720,926,722.16/177,037.20
  6. Step 6: Final answer
    x = 213,067.80

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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.