Home / 239,567.15-330,590.73-132,130.78

Finding the Fourth Proportional to 239,567.15, 330,590.73 and 132,130.78

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Solution

The fourth proportional to 239,567.15, 330,590.73 and 132,130.78 is: 182,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,567.15 : 330,590.73 = 132,130.78 : x
  2. Step 2: Convert to fraction form
    239,567.15/330,590.73 = 132,130.78/x
  3. Step 3: Cross multiply
    239,567.15x = 330,590.73 × 132,130.78
  4. Step 4: Simplify right side
    239,567.15x = 43,681,211,015.67
  5. Step 5: Solve for x
    x = 43,681,211,015.67/239,567.15
  6. Step 6: Final answer
    x = 182,333.89

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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.