Home / 199,695.32-275,614.43-118,020.08

Finding the Fourth Proportional to 199,695.32, 275,614.43 and 118,020.08

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Solution

The fourth proportional to 199,695.32, 275,614.43 and 118,020.08 is: 162,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,695.32 : 275,614.43 = 118,020.08 : x
  2. Step 2: Convert to fraction form
    199,695.32/275,614.43 = 118,020.08/x
  3. Step 3: Cross multiply
    199,695.32x = 275,614.43 × 118,020.08
  4. Step 4: Simplify right side
    199,695.32x = 32,528,037,766.79
  5. Step 5: Solve for x
    x = 32,528,037,766.79/199,695.32
  6. Step 6: Final answer
    x = 162,888.33

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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.