Home / 124,211.64-186,273.72-39,968.40

Finding the Fourth Proportional to 124,211.64, 186,273.72 and 39,968.40

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Solution

The fourth proportional to 124,211.64, 186,273.72 and 39,968.40 is: 59,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,211.64 : 186,273.72 = 39,968.40 : x
  2. Step 2: Convert to fraction form
    124,211.64/186,273.72 = 39,968.40/x
  3. Step 3: Cross multiply
    124,211.64x = 186,273.72 × 39,968.40
  4. Step 4: Simplify right side
    124,211.64x = 7,445,062,550.45
  5. Step 5: Solve for x
    x = 7,445,062,550.45/124,211.64
  6. Step 6: Final answer
    x = 59,938.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.