Home / 149,055.64-223,366.02-69,118

Finding the Fourth Proportional to 149,055.64, 223,366.02 and 69,118

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Solution

The fourth proportional to 149,055.64, 223,366.02 and 69,118 is: 103,576.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,055.64 : 223,366.02 = 69,118 : x
  2. Step 2: Convert to fraction form
    149,055.64/223,366.02 = 69,118/x
  3. Step 3: Cross multiply
    149,055.64x = 223,366.02 × 69,118
  4. Step 4: Simplify right side
    149,055.64x = 15,438,612,570.36
  5. Step 5: Solve for x
    x = 15,438,612,570.36/149,055.64
  6. Step 6: Final answer
    x = 103,576.17

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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.