Home / 148,645.08-205,071.82-84,948.71

Finding the Fourth Proportional to 148,645.08, 205,071.82 and 84,948.71

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Solution

The fourth proportional to 148,645.08, 205,071.82 and 84,948.71 is: 117,195.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,645.08 : 205,071.82 = 84,948.71 : x
  2. Step 2: Convert to fraction form
    148,645.08/205,071.82 = 84,948.71/x
  3. Step 3: Cross multiply
    148,645.08x = 205,071.82 × 84,948.71
  4. Step 4: Simplify right side
    148,645.08x = 17,420,585,328.62
  5. Step 5: Solve for x
    x = 17,420,585,328.62/148,645.08
  6. Step 6: Final answer
    x = 117,195.84

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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.