Home / 147,974.80-204,199.24-84,307.20

Finding the Fourth Proportional to 147,974.80, 204,199.24 and 84,307.20

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Solution

The fourth proportional to 147,974.80, 204,199.24 and 84,307.20 is: 116,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,974.80 : 204,199.24 = 84,307.20 : x
  2. Step 2: Convert to fraction form
    147,974.80/204,199.24 = 84,307.20/x
  3. Step 3: Cross multiply
    147,974.80x = 204,199.24 × 84,307.20
  4. Step 4: Simplify right side
    147,974.80x = 17,215,466,166.53
  5. Step 5: Solve for x
    x = 17,215,466,166.53/147,974.80
  6. Step 6: Final answer
    x = 116,340.53

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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.