Home / 148,329.82-204,714.99-83,812.40

Finding the Fourth Proportional to 148,329.82, 204,714.99 and 83,812.40

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Solution

The fourth proportional to 148,329.82, 204,714.99 and 83,812.40 is: 115,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,329.82 : 204,714.99 = 83,812.40 : x
  2. Step 2: Convert to fraction form
    148,329.82/204,714.99 = 83,812.40/x
  3. Step 3: Cross multiply
    148,329.82x = 204,714.99 × 83,812.40
  4. Step 4: Simplify right side
    148,329.82x = 17,157,655,139.66
  5. Step 5: Solve for x
    x = 17,157,655,139.66/148,329.82
  6. Step 6: Final answer
    x = 115,672.33

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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.