Home / 121,001.56-166,937.74-73,237.40

Finding the Fourth Proportional to 121,001.56, 166,937.74 and 73,237.40

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Solution

The fourth proportional to 121,001.56, 166,937.74 and 73,237.40 is: 101,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,001.56 : 166,937.74 = 73,237.40 : x
  2. Step 2: Convert to fraction form
    121,001.56/166,937.74 = 73,237.40/x
  3. Step 3: Cross multiply
    121,001.56x = 166,937.74 × 73,237.40
  4. Step 4: Simplify right side
    121,001.56x = 12,226,086,039.48
  5. Step 5: Solve for x
    x = 12,226,086,039.48/121,001.56
  6. Step 6: Final answer
    x = 101,040.73

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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.