Home / 187,578.02-258,882.32-106,987.07

Finding the Fourth Proportional to 187,578.02, 258,882.32 and 106,987.07

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Solution

The fourth proportional to 187,578.02, 258,882.32 and 106,987.07 is: 147,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,578.02 : 258,882.32 = 106,987.07 : x
  2. Step 2: Convert to fraction form
    187,578.02/258,882.32 = 106,987.07/x
  3. Step 3: Cross multiply
    187,578.02x = 258,882.32 × 106,987.07
  4. Step 4: Simplify right side
    187,578.02x = 27,697,061,806.28
  5. Step 5: Solve for x
    x = 27,697,061,806.28/187,578.02
  6. Step 6: Final answer
    x = 147,656.22

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1.5x scale

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.