Home / 207,962.30-311,943.45-158,810.30

Finding the Fourth Proportional to 207,962.30, 311,943.45 and 158,810.30

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Solution

The fourth proportional to 207,962.30, 311,943.45 and 158,810.30 is: 238,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,962.30 : 311,943.45 = 158,810.30 : x
  2. Step 2: Convert to fraction form
    207,962.30/311,943.45 = 158,810.30/x
  3. Step 3: Cross multiply
    207,962.30x = 311,943.45 × 158,810.30
  4. Step 4: Simplify right side
    207,962.30x = 49,539,832,877.54
  5. Step 5: Solve for x
    x = 49,539,832,877.54/207,962.30
  6. Step 6: Final answer
    x = 238,215.45

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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.