Home / 239,329.74-330,331.32-148,754.11

Finding the Fourth Proportional to 239,329.74, 330,331.32 and 148,754.11

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Solution

The fourth proportional to 239,329.74, 330,331.32 and 148,754.11 is: 205,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,329.74 : 330,331.32 = 148,754.11 : x
  2. Step 2: Convert to fraction form
    239,329.74/330,331.32 = 148,754.11/x
  3. Step 3: Cross multiply
    239,329.74x = 330,331.32 × 148,754.11
  4. Step 4: Simplify right side
    239,329.74x = 49,138,142,482.47
  5. Step 5: Solve for x
    x = 49,138,142,482.47/239,329.74
  6. Step 6: Final answer
    x = 205,315.66

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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.