Home / 149,281.50-206,015.13-88,030.17

Finding the Fourth Proportional to 149,281.50, 206,015.13 and 88,030.17

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Solution

The fourth proportional to 149,281.50, 206,015.13 and 88,030.17 is: 121,485.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,281.50 : 206,015.13 = 88,030.17 : x
  2. Step 2: Convert to fraction form
    149,281.50/206,015.13 = 88,030.17/x
  3. Step 3: Cross multiply
    149,281.50x = 206,015.13 × 88,030.17
  4. Step 4: Simplify right side
    149,281.50x = 18,135,546,916.47
  5. Step 5: Solve for x
    x = 18,135,546,916.47/149,281.50
  6. Step 6: Final answer
    x = 121,485.56

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1.5x scale

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.