Home / 206,970.02-310,195.32-88,502.05

Finding the Fourth Proportional to 206,970.02, 310,195.32 and 88,502.05

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Solution

The fourth proportional to 206,970.02, 310,195.32 and 88,502.05 is: 132,642.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,970.02 : 310,195.32 = 88,502.05 : x
  2. Step 2: Convert to fraction form
    206,970.02/310,195.32 = 88,502.05/x
  3. Step 3: Cross multiply
    206,970.02x = 310,195.32 × 88,502.05
  4. Step 4: Simplify right side
    206,970.02x = 27,452,921,277.90
  5. Step 5: Solve for x
    x = 27,452,921,277.90/206,970.02
  6. Step 6: Final answer
    x = 132,642.02

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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.