Home / 239,115.51-330,138.23-148,606.53

Finding the Fourth Proportional to 239,115.51, 330,138.23 and 148,606.53

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Solution

The fourth proportional to 239,115.51, 330,138.23 and 148,606.53 is: 205,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,115.51 : 330,138.23 = 148,606.53 : x
  2. Step 2: Convert to fraction form
    239,115.51/330,138.23 = 148,606.53/x
  3. Step 3: Cross multiply
    239,115.51x = 330,138.23 × 148,606.53
  4. Step 4: Simplify right side
    239,115.51x = 49,060,696,037.61
  5. Step 5: Solve for x
    x = 49,060,696,037.61/239,115.51
  6. Step 6: Final answer
    x = 205,175.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.