Home / 74,089.86-111,153.02-21,498.59

Finding the Fourth Proportional to 74,089.86, 111,153.02 and 21,498.59

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Solution

The fourth proportional to 74,089.86, 111,153.02 and 21,498.59 is: 32,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,089.86 : 111,153.02 = 21,498.59 : x
  2. Step 2: Convert to fraction form
    74,089.86/111,153.02 = 21,498.59/x
  3. Step 3: Cross multiply
    74,089.86x = 111,153.02 × 21,498.59
  4. Step 4: Simplify right side
    74,089.86x = 2,389,632,540.98
  5. Step 5: Solve for x
    x = 2,389,632,540.98/74,089.86
  6. Step 6: Final answer
    x = 32,253.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.