Home / 165,223.48-247,814.16-52,915.36

Finding the Fourth Proportional to 165,223.48, 247,814.16 and 52,915.36

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Solution

The fourth proportional to 165,223.48, 247,814.16 and 52,915.36 is: 79,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,223.48 : 247,814.16 = 52,915.36 : x
  2. Step 2: Convert to fraction form
    165,223.48/247,814.16 = 52,915.36/x
  3. Step 3: Cross multiply
    165,223.48x = 247,814.16 × 52,915.36
  4. Step 4: Simplify right side
    165,223.48x = 13,113,175,489.50
  5. Step 5: Solve for x
    x = 13,113,175,489.50/165,223.48
  6. Step 6: Final answer
    x = 79,366.30

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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.