Home / 136,710.24-204,940.08-47,915.34

Finding the Fourth Proportional to 136,710.24, 204,940.08 and 47,915.34

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Solution

The fourth proportional to 136,710.24, 204,940.08 and 47,915.34 is: 71,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,710.24 : 204,940.08 = 47,915.34 : x
  2. Step 2: Convert to fraction form
    136,710.24/204,940.08 = 47,915.34/x
  3. Step 3: Cross multiply
    136,710.24x = 204,940.08 × 47,915.34
  4. Step 4: Simplify right side
    136,710.24x = 9,819,773,612.83
  5. Step 5: Solve for x
    x = 9,819,773,612.83/136,710.24
  6. Step 6: Final answer
    x = 71,829.10

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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.