Home / 149,338.79-223,972.80-42,719.46

Finding the Fourth Proportional to 149,338.79, 223,972.80 and 42,719.46

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Solution

The fourth proportional to 149,338.79, 223,972.80 and 42,719.46 is: 64,069.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,338.79 : 223,972.80 = 42,719.46 : x
  2. Step 2: Convert to fraction form
    149,338.79/223,972.80 = 42,719.46/x
  3. Step 3: Cross multiply
    149,338.79x = 223,972.80 × 42,719.46
  4. Step 4: Simplify right side
    149,338.79x = 9,567,995,950.82
  5. Step 5: Solve for x
    x = 9,567,995,950.82/149,338.79
  6. Step 6: Final answer
    x = 64,069.06

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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.