Home / 124,632.06-172,011.99-79,262.74

Finding the Fourth Proportional to 124,632.06, 172,011.99 and 79,262.74

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Solution

The fourth proportional to 124,632.06, 172,011.99 and 79,262.74 is: 109,395.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,632.06 : 172,011.99 = 79,262.74 : x
  2. Step 2: Convert to fraction form
    124,632.06/172,011.99 = 79,262.74/x
  3. Step 3: Cross multiply
    124,632.06x = 172,011.99 × 79,262.74
  4. Step 4: Simplify right side
    124,632.06x = 13,634,141,640.25
  5. Step 5: Solve for x
    x = 13,634,141,640.25/124,632.06
  6. Step 6: Final answer
    x = 109,395.14

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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.