Home / 147,146.83-203,058.80-85,904.75

Finding the Fourth Proportional to 147,146.83, 203,058.80 and 85,904.75

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Solution

The fourth proportional to 147,146.83, 203,058.80 and 85,904.75 is: 118,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,146.83 : 203,058.80 = 85,904.75 : x
  2. Step 2: Convert to fraction form
    147,146.83/203,058.80 = 85,904.75/x
  3. Step 3: Cross multiply
    147,146.83x = 203,058.80 × 85,904.75
  4. Step 4: Simplify right side
    147,146.83x = 17,443,715,849.57
  5. Step 5: Solve for x
    x = 17,443,715,849.57/147,146.83
  6. Step 6: Final answer
    x = 118,546.33

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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.