Home / 239,355.12-330,308.28-131,925.36

Finding the Fourth Proportional to 239,355.12, 330,308.28 and 131,925.36

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Solution

The fourth proportional to 239,355.12, 330,308.28 and 131,925.36 is: 182,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,355.12 : 330,308.28 = 131,925.36 : x
  2. Step 2: Convert to fraction form
    239,355.12/330,308.28 = 131,925.36/x
  3. Step 3: Cross multiply
    239,355.12x = 330,308.28 × 131,925.36
  4. Step 4: Simplify right side
    239,355.12x = 43,576,038,749.98
  5. Step 5: Solve for x
    x = 43,576,038,749.98/239,355.12
  6. Step 6: Final answer
    x = 182,056.01

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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.