Home / 136,196.56-204,294.84-42,709.60

Finding the Fourth Proportional to 136,196.56, 204,294.84 and 42,709.60

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Solution

The fourth proportional to 136,196.56, 204,294.84 and 42,709.60 is: 64,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,196.56 : 204,294.84 = 42,709.60 : x
  2. Step 2: Convert to fraction form
    136,196.56/204,294.84 = 42,709.60/x
  3. Step 3: Cross multiply
    136,196.56x = 204,294.84 × 42,709.60
  4. Step 4: Simplify right side
    136,196.56x = 8,725,350,898.46
  5. Step 5: Solve for x
    x = 8,725,350,898.46/136,196.56
  6. Step 6: Final answer
    x = 64,064.40

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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.