Home / 148,842.80-205,399.48-85,176.52

Finding the Fourth Proportional to 148,842.80, 205,399.48 and 85,176.52

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Solution

The fourth proportional to 148,842.80, 205,399.48 and 85,176.52 is: 117,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,842.80 : 205,399.48 = 85,176.52 : x
  2. Step 2: Convert to fraction form
    148,842.80/205,399.48 = 85,176.52/x
  3. Step 3: Cross multiply
    148,842.80x = 205,399.48 × 85,176.52
  4. Step 4: Simplify right side
    148,842.80x = 17,495,212,916.21
  5. Step 5: Solve for x
    x = 17,495,212,916.21/148,842.80
  6. Step 6: Final answer
    x = 117,541.55

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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.