Home / 150,013.02-207,010.68-85,497.36

Finding the Fourth Proportional to 150,013.02, 207,010.68 and 85,497.36

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Solution

The fourth proportional to 150,013.02, 207,010.68 and 85,497.36 is: 117,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,013.02 : 207,010.68 = 85,497.36 : x
  2. Step 2: Convert to fraction form
    150,013.02/207,010.68 = 85,497.36/x
  3. Step 3: Cross multiply
    150,013.02x = 207,010.68 × 85,497.36
  4. Step 4: Simplify right side
    150,013.02x = 17,698,866,631.80
  5. Step 5: Solve for x
    x = 17,698,866,631.80/150,013.02
  6. Step 6: Final answer
    x = 117,982.20

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1.5x scale

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.