Home / 149,005.13-223,483.69-40,909.28

Finding the Fourth Proportional to 149,005.13, 223,483.69 and 40,909.28

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Solution

The fourth proportional to 149,005.13, 223,483.69 and 40,909.28 is: 61,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,005.13 : 223,483.69 = 40,909.28 : x
  2. Step 2: Convert to fraction form
    149,005.13/223,483.69 = 40,909.28/x
  3. Step 3: Cross multiply
    149,005.13x = 223,483.69 × 40,909.28
  4. Step 4: Simplify right side
    149,005.13x = 9,142,556,645.10
  5. Step 5: Solve for x
    x = 9,142,556,645.10/149,005.13
  6. Step 6: Final answer
    x = 61,357.33

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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.