Home / 138,297.87-207,438.59-48,334.25

Finding the Fourth Proportional to 138,297.87, 207,438.59 and 48,334.25

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Solution

The fourth proportional to 138,297.87, 207,438.59 and 48,334.25 is: 72,498.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,297.87 : 207,438.59 = 48,334.25 : x
  2. Step 2: Convert to fraction form
    138,297.87/207,438.59 = 48,334.25/x
  3. Step 3: Cross multiply
    138,297.87x = 207,438.59 × 48,334.25
  4. Step 4: Simplify right side
    138,297.87x = 10,026,387,389.84
  5. Step 5: Solve for x
    x = 10,026,387,389.84/138,297.87
  6. Step 6: Final answer
    x = 72,498.49

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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.