Home / 209,396.95-288,966.49-113,904.02

Finding the Fourth Proportional to 209,396.95, 288,966.49 and 113,904.02

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Solution

The fourth proportional to 209,396.95, 288,966.49 and 113,904.02 is: 157,186.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,396.95 : 288,966.49 = 113,904.02 : x
  2. Step 2: Convert to fraction form
    209,396.95/288,966.49 = 113,904.02/x
  3. Step 3: Cross multiply
    209,396.95x = 288,966.49 × 113,904.02
  4. Step 4: Simplify right side
    209,396.95x = 32,914,445,293.95
  5. Step 5: Solve for x
    x = 32,914,445,293.95/209,396.95
  6. Step 6: Final answer
    x = 157,186.84

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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.