Home / 239,155.60-330,036.96-131,726.04

Finding the Fourth Proportional to 239,155.60, 330,036.96 and 131,726.04

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Solution

The fourth proportional to 239,155.60, 330,036.96 and 131,726.04 is: 181,783.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,155.60 : 330,036.96 = 131,726.04 : x
  2. Step 2: Convert to fraction form
    239,155.60/330,036.96 = 131,726.04/x
  3. Step 3: Cross multiply
    239,155.60x = 330,036.96 × 131,726.04
  4. Step 4: Simplify right side
    239,155.60x = 43,474,461,794.44
  5. Step 5: Solve for x
    x = 43,474,461,794.44/239,155.60
  6. Step 6: Final answer
    x = 181,783.16

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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.