Home / 124,984.84-172,559.55-111,532.96

Finding the Fourth Proportional to 124,984.84, 172,559.55 and 111,532.96

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Solution

The fourth proportional to 124,984.84, 172,559.55 and 111,532.96 is: 153,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,984.84 : 172,559.55 = 111,532.96 : x
  2. Step 2: Convert to fraction form
    124,984.84/172,559.55 = 111,532.96/x
  3. Step 3: Cross multiply
    124,984.84x = 172,559.55 × 111,532.96
  4. Step 4: Simplify right side
    124,984.84x = 19,246,077,387.77
  5. Step 5: Solve for x
    x = 19,246,077,387.77/124,984.84
  6. Step 6: Final answer
    x = 153,987.29

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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.