Home / 111,030.75-153,223.65-60,729.75

Finding the Fourth Proportional to 111,030.75, 153,223.65 and 60,729.75

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Solution

The fourth proportional to 111,030.75, 153,223.65 and 60,729.75 is: 83,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,030.75 : 153,223.65 = 60,729.75 : x
  2. Step 2: Convert to fraction form
    111,030.75/153,223.65 = 60,729.75/x
  3. Step 3: Cross multiply
    111,030.75x = 153,223.65 × 60,729.75
  4. Step 4: Simplify right side
    111,030.75x = 9,305,233,958.59
  5. Step 5: Solve for x
    x = 9,305,233,958.59/111,030.75
  6. Step 6: Final answer
    x = 83,807.72

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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.