Home / 147,646.63-221,505.23-47,806.93

Finding the Fourth Proportional to 147,646.63, 221,505.23 and 47,806.93

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Solution

The fourth proportional to 147,646.63, 221,505.23 and 47,806.93 is: 71,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,646.63 : 221,505.23 = 47,806.93 : x
  2. Step 2: Convert to fraction form
    147,646.63/221,505.23 = 47,806.93/x
  3. Step 3: Cross multiply
    147,646.63x = 221,505.23 × 47,806.93
  4. Step 4: Simplify right side
    147,646.63x = 10,589,485,025.24
  5. Step 5: Solve for x
    x = 10,589,485,025.24/147,646.63
  6. Step 6: Final answer
    x = 71,721.82

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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.