Home / 245,172.96-338,340-137,747.52

Finding the Fourth Proportional to 245,172.96, 338,340 and 137,747.52

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Solution

The fourth proportional to 245,172.96, 338,340 and 137,747.52 is: 190,092.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,172.96 : 338,340 = 137,747.52 : x
  2. Step 2: Convert to fraction form
    245,172.96/338,340 = 137,747.52/x
  3. Step 3: Cross multiply
    245,172.96x = 338,340 × 137,747.52
  4. Step 4: Simplify right side
    245,172.96x = 46,605,495,916.80
  5. Step 5: Solve for x
    x = 46,605,495,916.80/245,172.96
  6. Step 6: Final answer
    x = 190,092.32

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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.