Home / 281,054.06-387,844.85-160,234.25

Finding the Fourth Proportional to 281,054.06, 387,844.85 and 160,234.25

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Solution

The fourth proportional to 281,054.06, 387,844.85 and 160,234.25 is: 221,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,054.06 : 387,844.85 = 160,234.25 : x
  2. Step 2: Convert to fraction form
    281,054.06/387,844.85 = 160,234.25/x
  3. Step 3: Cross multiply
    281,054.06x = 387,844.85 × 160,234.25
  4. Step 4: Simplify right side
    281,054.06x = 62,146,025,915.72
  5. Step 5: Solve for x
    x = 62,146,025,915.72/281,054.06
  6. Step 6: Final answer
    x = 221,117.70

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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.