Home / 239,779.93-330,904.32-130,890.73

Finding the Fourth Proportional to 239,779.93, 330,904.32 and 130,890.73

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Solution

The fourth proportional to 239,779.93, 330,904.32 and 130,890.73 is: 180,633.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,779.93 : 330,904.32 = 130,890.73 : x
  2. Step 2: Convert to fraction form
    239,779.93/330,904.32 = 130,890.73/x
  3. Step 3: Cross multiply
    239,779.93x = 330,904.32 × 130,890.73
  4. Step 4: Simplify right side
    239,779.93x = 43,312,305,695.98
  5. Step 5: Solve for x
    x = 43,312,305,695.98/239,779.93
  6. Step 6: Final answer
    x = 180,633.58

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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.