Home / 111,418.27-153,758.40-60,431.07

Finding the Fourth Proportional to 111,418.27, 153,758.40 and 60,431.07

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Solution

The fourth proportional to 111,418.27, 153,758.40 and 60,431.07 is: 83,395.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,418.27 : 153,758.40 = 60,431.07 : x
  2. Step 2: Convert to fraction form
    111,418.27/153,758.40 = 60,431.07/x
  3. Step 3: Cross multiply
    111,418.27x = 153,758.40 × 60,431.07
  4. Step 4: Simplify right side
    111,418.27x = 9,291,784,633.49
  5. Step 5: Solve for x
    x = 9,291,784,633.49/111,418.27
  6. Step 6: Final answer
    x = 83,395.52

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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.