Home / 110,992.02-153,165.57-67,987.86

Finding the Fourth Proportional to 110,992.02, 153,165.57 and 67,987.86

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Solution

The fourth proportional to 110,992.02, 153,165.57 and 67,987.86 is: 93,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,992.02 : 153,165.57 = 67,987.86 : x
  2. Step 2: Convert to fraction form
    110,992.02/153,165.57 = 67,987.86/x
  3. Step 3: Cross multiply
    110,992.02x = 153,165.57 × 67,987.86
  4. Step 4: Simplify right side
    110,992.02x = 10,413,399,329.98
  5. Step 5: Solve for x
    x = 10,413,399,329.98/110,992.02
  6. Step 6: Final answer
    x = 93,821.15

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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.