Home / 111,329.40-153,634.64-60,342.60

Finding the Fourth Proportional to 111,329.40, 153,634.64 and 60,342.60

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Solution

The fourth proportional to 111,329.40, 153,634.64 and 60,342.60 is: 83,272.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,329.40 : 153,634.64 = 60,342.60 : x
  2. Step 2: Convert to fraction form
    111,329.40/153,634.64 = 60,342.60/x
  3. Step 3: Cross multiply
    111,329.40x = 153,634.64 × 60,342.60
  4. Step 4: Simplify right side
    111,329.40x = 9,270,713,627.66
  5. Step 5: Solve for x
    x = 9,270,713,627.66/111,329.40
  6. Step 6: Final answer
    x = 83,272.82

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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.