Home / 149,655.39-206,600.63-115,587.40

Finding the Fourth Proportional to 149,655.39, 206,600.63 and 115,587.40

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Solution

The fourth proportional to 149,655.39, 206,600.63 and 115,587.40 is: 159,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,655.39 : 206,600.63 = 115,587.40 : x
  2. Step 2: Convert to fraction form
    149,655.39/206,600.63 = 115,587.40/x
  3. Step 3: Cross multiply
    149,655.39x = 206,600.63 × 115,587.40
  4. Step 4: Simplify right side
    149,655.39x = 23,880,428,565.62
  5. Step 5: Solve for x
    x = 23,880,428,565.62/149,655.39
  6. Step 6: Final answer
    x = 159,569.45

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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.