Home / 121,040.70-181,561.05-93,047.10

Finding the Fourth Proportional to 121,040.70, 181,561.05 and 93,047.10

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Solution

The fourth proportional to 121,040.70, 181,561.05 and 93,047.10 is: 139,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,040.70 : 181,561.05 = 93,047.10 : x
  2. Step 2: Convert to fraction form
    121,040.70/181,561.05 = 93,047.10/x
  3. Step 3: Cross multiply
    121,040.70x = 181,561.05 × 93,047.10
  4. Step 4: Simplify right side
    121,040.70x = 16,893,729,175.46
  5. Step 5: Solve for x
    x = 16,893,729,175.46/121,040.70
  6. Step 6: Final answer
    x = 139,570.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.