Home / 147,820.94-203,987.85-84,146.42

Finding the Fourth Proportional to 147,820.94, 203,987.85 and 84,146.42

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Solution

The fourth proportional to 147,820.94, 203,987.85 and 84,146.42 is: 116,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,820.94 : 203,987.85 = 84,146.42 : x
  2. Step 2: Convert to fraction form
    147,820.94/203,987.85 = 84,146.42/x
  3. Step 3: Cross multiply
    147,820.94x = 203,987.85 × 84,146.42
  4. Step 4: Simplify right side
    147,820.94x = 17,164,847,301.00
  5. Step 5: Solve for x
    x = 17,164,847,301.00/147,820.94
  6. Step 6: Final answer
    x = 116,119.19

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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.