Home / 199,191.47-274,763.35-118,565.15

Finding the Fourth Proportional to 199,191.47, 274,763.35 and 118,565.15

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Solution

The fourth proportional to 199,191.47, 274,763.35 and 118,565.15 is: 163,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,191.47 : 274,763.35 = 118,565.15 : x
  2. Step 2: Convert to fraction form
    199,191.47/274,763.35 = 118,565.15/x
  3. Step 3: Cross multiply
    199,191.47x = 274,763.35 × 118,565.15
  4. Step 4: Simplify right side
    199,191.47x = 32,577,357,807.25
  5. Step 5: Solve for x
    x = 32,577,357,807.25/199,191.47
  6. Step 6: Final answer
    x = 163,547.96

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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.