Home / 169,915.50-254,725.62-99,647.19

Finding the Fourth Proportional to 169,915.50, 254,725.62 and 99,647.19

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Solution

The fourth proportional to 169,915.50, 254,725.62 and 99,647.19 is: 149,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,915.50 : 254,725.62 = 99,647.19 : x
  2. Step 2: Convert to fraction form
    169,915.50/254,725.62 = 99,647.19/x
  3. Step 3: Cross multiply
    169,915.50x = 254,725.62 × 99,647.19
  4. Step 4: Simplify right side
    169,915.50x = 25,382,692,254.01
  5. Step 5: Solve for x
    x = 25,382,692,254.01/169,915.50
  6. Step 6: Final answer
    x = 149,384.21

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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.