Home / 209,362.18-288,854.61-118,711.03

Finding the Fourth Proportional to 209,362.18, 288,854.61 and 118,711.03

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Solution

The fourth proportional to 209,362.18, 288,854.61 and 118,711.03 is: 163,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,362.18 : 288,854.61 = 118,711.03 : x
  2. Step 2: Convert to fraction form
    209,362.18/288,854.61 = 118,711.03/x
  3. Step 3: Cross multiply
    209,362.18x = 288,854.61 × 118,711.03
  4. Step 4: Simplify right side
    209,362.18x = 34,290,228,273.35
  5. Step 5: Solve for x
    x = 34,290,228,273.35/209,362.18
  6. Step 6: Final answer
    x = 163,784.25

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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.