Home / 153,273.80-211,398.02-99,576.12

Finding the Fourth Proportional to 153,273.80, 211,398.02 and 99,576.12

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Solution

The fourth proportional to 153,273.80, 211,398.02 and 99,576.12 is: 137,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,273.80 : 211,398.02 = 99,576.12 : x
  2. Step 2: Convert to fraction form
    153,273.80/211,398.02 = 99,576.12/x
  3. Step 3: Cross multiply
    153,273.80x = 211,398.02 × 99,576.12
  4. Step 4: Simplify right side
    153,273.80x = 21,050,194,086.44
  5. Step 5: Solve for x
    x = 21,050,194,086.44/153,273.80
  6. Step 6: Final answer
    x = 137,337.19

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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.