Home / 187,351.72-281,009.34-103,084.18

Finding the Fourth Proportional to 187,351.72, 281,009.34 and 103,084.18

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Solution

The fourth proportional to 187,351.72, 281,009.34 and 103,084.18 is: 154,616.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,351.72 : 281,009.34 = 103,084.18 : x
  2. Step 2: Convert to fraction form
    187,351.72/281,009.34 = 103,084.18/x
  3. Step 3: Cross multiply
    187,351.72x = 281,009.34 × 103,084.18
  4. Step 4: Simplify right side
    187,351.72x = 28,967,617,386.24
  5. Step 5: Solve for x
    x = 28,967,617,386.24/187,351.72
  6. Step 6: Final answer
    x = 154,616.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.