Home / 148,283.88-204,633.06-84,621

Finding the Fourth Proportional to 148,283.88, 204,633.06 and 84,621

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Solution

The fourth proportional to 148,283.88, 204,633.06 and 84,621 is: 116,777.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,283.88 : 204,633.06 = 84,621 : x
  2. Step 2: Convert to fraction form
    148,283.88/204,633.06 = 84,621/x
  3. Step 3: Cross multiply
    148,283.88x = 204,633.06 × 84,621
  4. Step 4: Simplify right side
    148,283.88x = 17,316,254,170.26
  5. Step 5: Solve for x
    x = 17,316,254,170.26/148,283.88
  6. Step 6: Final answer
    x = 116,777.73

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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.