Home / 239,498.02-330,529.44-137,536.84

Finding the Fourth Proportional to 239,498.02, 330,529.44 and 137,536.84

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Solution

The fourth proportional to 239,498.02, 330,529.44 and 137,536.84 is: 189,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,498.02 : 330,529.44 = 137,536.84 : x
  2. Step 2: Convert to fraction form
    239,498.02/330,529.44 = 137,536.84/x
  3. Step 3: Cross multiply
    239,498.02x = 330,529.44 × 137,536.84
  4. Step 4: Simplify right side
    239,498.02x = 45,459,974,704.57
  5. Step 5: Solve for x
    x = 45,459,974,704.57/239,498.02
  6. Step 6: Final answer
    x = 189,813.57

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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.