Home / 149,382.64-224,221.59-79,261.96

Finding the Fourth Proportional to 149,382.64, 224,221.59 and 79,261.96

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Solution

The fourth proportional to 149,382.64, 224,221.59 and 79,261.96 is: 118,971.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,382.64 : 224,221.59 = 79,261.96 : x
  2. Step 2: Convert to fraction form
    149,382.64/224,221.59 = 79,261.96/x
  3. Step 3: Cross multiply
    149,382.64x = 224,221.59 × 79,261.96
  4. Step 4: Simplify right side
    149,382.64x = 17,772,241,576.61
  5. Step 5: Solve for x
    x = 17,772,241,576.61/149,382.64
  6. Step 6: Final answer
    x = 118,971.26

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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.