Home / 149,293.48-223,873.98-79,156.36

Finding the Fourth Proportional to 149,293.48, 223,873.98 and 79,156.36

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Solution

The fourth proportional to 149,293.48, 223,873.98 and 79,156.36 is: 118,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,293.48 : 223,873.98 = 79,156.36 : x
  2. Step 2: Convert to fraction form
    149,293.48/223,873.98 = 79,156.36/x
  3. Step 3: Cross multiply
    149,293.48x = 223,873.98 × 79,156.36
  4. Step 4: Simplify right side
    149,293.48x = 17,721,049,355.51
  5. Step 5: Solve for x
    x = 17,721,049,355.51/149,293.48
  6. Step 6: Final answer
    x = 118,699.42

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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.