Home / 136,148.60-204,417.30-77,099.60

Finding the Fourth Proportional to 136,148.60, 204,417.30 and 77,099.60

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Solution

The fourth proportional to 136,148.60, 204,417.30 and 77,099.60 is: 115,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,148.60 : 204,417.30 = 77,099.60 : x
  2. Step 2: Convert to fraction form
    136,148.60/204,417.30 = 77,099.60/x
  3. Step 3: Cross multiply
    136,148.60x = 204,417.30 × 77,099.60
  4. Step 4: Simplify right side
    136,148.60x = 15,760,492,063.08
  5. Step 5: Solve for x
    x = 15,760,492,063.08/136,148.60
  6. Step 6: Final answer
    x = 115,759.49

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1.5x scale

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.