Home / 239,633.32-330,693.58-130,737.65

Finding the Fourth Proportional to 239,633.32, 330,693.58 and 130,737.65

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Solution

The fourth proportional to 239,633.32, 330,693.58 and 130,737.65 is: 180,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,633.32 : 330,693.58 = 130,737.65 : x
  2. Step 2: Convert to fraction form
    239,633.32/330,693.58 = 130,737.65/x
  3. Step 3: Cross multiply
    239,633.32x = 330,693.58 × 130,737.65
  4. Step 4: Simplify right side
    239,633.32x = 43,234,101,519.29
  5. Step 5: Solve for x
    x = 43,234,101,519.29/239,633.32
  6. Step 6: Final answer
    x = 180,417.74

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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.