Home / 111,022.75-153,211.40-60,721.75

Finding the Fourth Proportional to 111,022.75, 153,211.40 and 60,721.75

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Solution

The fourth proportional to 111,022.75, 153,211.40 and 60,721.75 is: 83,796.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,022.75 : 153,211.40 = 60,721.75 : x
  2. Step 2: Convert to fraction form
    111,022.75/153,211.40 = 60,721.75/x
  3. Step 3: Cross multiply
    111,022.75x = 153,211.40 × 60,721.75
  4. Step 4: Simplify right side
    111,022.75x = 9,303,264,327.95
  5. Step 5: Solve for x
    x = 9,303,264,327.95/111,022.75
  6. Step 6: Final answer
    x = 83,796.02

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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.