Home / 148,662.06-205,153.86-85,001.22

Finding the Fourth Proportional to 148,662.06, 205,153.86 and 85,001.22

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Solution

The fourth proportional to 148,662.06, 205,153.86 and 85,001.22 is: 117,301.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,662.06 : 205,153.86 = 85,001.22 : x
  2. Step 2: Convert to fraction form
    148,662.06/205,153.86 = 85,001.22/x
  3. Step 3: Cross multiply
    148,662.06x = 205,153.86 × 85,001.22
  4. Step 4: Simplify right side
    148,662.06x = 17,438,328,387.71
  5. Step 5: Solve for x
    x = 17,438,328,387.71/148,662.06
  6. Step 6: Final answer
    x = 117,301.81

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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.