Home / 147,350.94-221,069.54-47,509.12

Finding the Fourth Proportional to 147,350.94, 221,069.54 and 47,509.12

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Solution

The fourth proportional to 147,350.94, 221,069.54 and 47,509.12 is: 71,277.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,350.94 : 221,069.54 = 47,509.12 : x
  2. Step 2: Convert to fraction form
    147,350.94/221,069.54 = 47,509.12/x
  3. Step 3: Cross multiply
    147,350.94x = 221,069.54 × 47,509.12
  4. Step 4: Simplify right side
    147,350.94x = 10,502,819,304.20
  5. Step 5: Solve for x
    x = 10,502,819,304.20/147,350.94
  6. Step 6: Final answer
    x = 71,277.59

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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.