Home / 209,359.68-288,851.16-118,708.53

Finding the Fourth Proportional to 209,359.68, 288,851.16 and 118,708.53

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Solution

The fourth proportional to 209,359.68, 288,851.16 and 118,708.53 is: 163,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,359.68 : 288,851.16 = 118,708.53 : x
  2. Step 2: Convert to fraction form
    209,359.68/288,851.16 = 118,708.53/x
  3. Step 3: Cross multiply
    209,359.68x = 288,851.16 × 118,708.53
  4. Step 4: Simplify right side
    209,359.68x = 34,289,096,592.39
  5. Step 5: Solve for x
    x = 34,289,096,592.39/209,359.68
  6. Step 6: Final answer
    x = 163,780.80

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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.