Home / 158,688.21-238,031.30-40,358.53

Finding the Fourth Proportional to 158,688.21, 238,031.30 and 40,358.53

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Solution

The fourth proportional to 158,688.21, 238,031.30 and 40,358.53 is: 60,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,688.21 : 238,031.30 = 40,358.53 : x
  2. Step 2: Convert to fraction form
    158,688.21/238,031.30 = 40,358.53/x
  3. Step 3: Cross multiply
    158,688.21x = 238,031.30 × 40,358.53
  4. Step 4: Simplify right side
    158,688.21x = 9,606,593,361.99
  5. Step 5: Solve for x
    x = 9,606,593,361.99/158,688.21
  6. Step 6: Final answer
    x = 60,537.54

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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.