Home / 187,907.04-259,275.20-111,412

Finding the Fourth Proportional to 187,907.04, 259,275.20 and 111,412

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Solution

The fourth proportional to 187,907.04, 259,275.20 and 111,412 is: 153,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,907.04 : 259,275.20 = 111,412 : x
  2. Step 2: Convert to fraction form
    187,907.04/259,275.20 = 111,412/x
  3. Step 3: Cross multiply
    187,907.04x = 259,275.20 × 111,412
  4. Step 4: Simplify right side
    187,907.04x = 28,886,368,582.40
  5. Step 5: Solve for x
    x = 28,886,368,582.40/187,907.04
  6. Step 6: Final answer
    x = 153,726.91

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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.