Home / 124,988.81-172,565.04-111,536.94

Finding the Fourth Proportional to 124,988.81, 172,565.04 and 111,536.94

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Solution

The fourth proportional to 124,988.81, 172,565.04 and 111,536.94 is: 153,992.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,988.81 : 172,565.04 = 111,536.94 : x
  2. Step 2: Convert to fraction form
    124,988.81/172,565.04 = 111,536.94/x
  3. Step 3: Cross multiply
    124,988.81x = 172,565.04 × 111,536.94
  4. Step 4: Simplify right side
    124,988.81x = 19,247,376,512.58
  5. Step 5: Solve for x
    x = 19,247,376,512.58/124,988.81
  6. Step 6: Final answer
    x = 153,992.80

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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.