Home / 239,150.95-330,043.28-131,720.93

Finding the Fourth Proportional to 239,150.95, 330,043.28 and 131,720.93

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Solution

The fourth proportional to 239,150.95, 330,043.28 and 131,720.93 is: 181,783.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,150.95 : 330,043.28 = 131,720.93 : x
  2. Step 2: Convert to fraction form
    239,150.95/330,043.28 = 131,720.93/x
  3. Step 3: Cross multiply
    239,150.95x = 330,043.28 × 131,720.93
  4. Step 4: Simplify right side
    239,150.95x = 43,473,607,123.25
  5. Step 5: Solve for x
    x = 43,473,607,123.25/239,150.95
  6. Step 6: Final answer
    x = 181,783.13

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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.