Home / 239,878.95-331,038.09-132,455.72

Finding the Fourth Proportional to 239,878.95, 331,038.09 and 132,455.72

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Solution

The fourth proportional to 239,878.95, 331,038.09 and 132,455.72 is: 182,791.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,878.95 : 331,038.09 = 132,455.72 : x
  2. Step 2: Convert to fraction form
    239,878.95/331,038.09 = 132,455.72/x
  3. Step 3: Cross multiply
    239,878.95x = 331,038.09 × 132,455.72
  4. Step 4: Simplify right side
    239,878.95x = 43,847,886,903.18
  5. Step 5: Solve for x
    x = 43,847,886,903.18/239,878.95
  6. Step 6: Final answer
    x = 182,791.72

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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.