Home / 173,390-239,297.68-97,943.36

Finding the Fourth Proportional to 173,390, 239,297.68 and 97,943.36

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Solution

The fourth proportional to 173,390, 239,297.68 and 97,943.36 is: 135,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,390 : 239,297.68 = 97,943.36 : x
  2. Step 2: Convert to fraction form
    173,390/239,297.68 = 97,943.36/x
  3. Step 3: Cross multiply
    173,390x = 239,297.68 × 97,943.36
  4. Step 4: Simplify right side
    173,390x = 23,437,618,819.40
  5. Step 5: Solve for x
    x = 23,437,618,819.40/173,390
  6. Step 6: Final answer
    x = 135,172.84

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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.