Home / 111,415.40-167,180.54-74,001.36

Finding the Fourth Proportional to 111,415.40, 167,180.54 and 74,001.36

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Solution

The fourth proportional to 111,415.40, 167,180.54 and 74,001.36 is: 111,040.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,415.40 : 167,180.54 = 74,001.36 : x
  2. Step 2: Convert to fraction form
    111,415.40/167,180.54 = 74,001.36/x
  3. Step 3: Cross multiply
    111,415.40x = 167,180.54 × 74,001.36
  4. Step 4: Simplify right side
    111,415.40x = 12,371,587,325.53
  5. Step 5: Solve for x
    x = 12,371,587,325.53/111,415.40
  6. Step 6: Final answer
    x = 111,040.19

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1.5x scale

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.