Home / 148,043.70-204,302.37-83,515.92

Finding the Fourth Proportional to 148,043.70, 204,302.37 and 83,515.92

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Solution

The fourth proportional to 148,043.70, 204,302.37 and 83,515.92 is: 115,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,043.70 : 204,302.37 = 83,515.92 : x
  2. Step 2: Convert to fraction form
    148,043.70/204,302.37 = 83,515.92/x
  3. Step 3: Cross multiply
    148,043.70x = 204,302.37 × 83,515.92
  4. Step 4: Simplify right side
    148,043.70x = 17,062,499,971.15
  5. Step 5: Solve for x
    x = 17,062,499,971.15/148,043.70
  6. Step 6: Final answer
    x = 115,253.13

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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.