Home / 153,140.24-229,692.12-40,828.88

Finding the Fourth Proportional to 153,140.24, 229,692.12 and 40,828.88

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Solution

The fourth proportional to 153,140.24, 229,692.12 and 40,828.88 is: 61,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,140.24 : 229,692.12 = 40,828.88 : x
  2. Step 2: Convert to fraction form
    153,140.24/229,692.12 = 40,828.88/x
  3. Step 3: Cross multiply
    153,140.24x = 229,692.12 × 40,828.88
  4. Step 4: Simplify right side
    153,140.24x = 9,378,072,004.43
  5. Step 5: Solve for x
    x = 9,378,072,004.43/153,140.24
  6. Step 6: Final answer
    x = 61,238.46

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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.