Home / 115,281.21-172,938.00-40,384.22

Finding the Fourth Proportional to 115,281.21, 172,938.00 and 40,384.22

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Solution

The fourth proportional to 115,281.21, 172,938.00 and 40,384.22 is: 60,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,281.21 : 172,938.00 = 40,384.22 : x
  2. Step 2: Convert to fraction form
    115,281.21/172,938.00 = 40,384.22/x
  3. Step 3: Cross multiply
    115,281.21x = 172,938.00 × 40,384.22
  4. Step 4: Simplify right side
    115,281.21x = 6,983,965,525.11
  5. Step 5: Solve for x
    x = 6,983,965,525.11/115,281.21
  6. Step 6: Final answer
    x = 60,581.99

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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.