Home / 130,202.61-179,680.37-75,787.08

Finding the Fourth Proportional to 130,202.61, 179,680.37 and 75,787.08

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Solution

The fourth proportional to 130,202.61, 179,680.37 and 75,787.08 is: 104,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,202.61 : 179,680.37 = 75,787.08 : x
  2. Step 2: Convert to fraction form
    130,202.61/179,680.37 = 75,787.08/x
  3. Step 3: Cross multiply
    130,202.61x = 179,680.37 × 75,787.08
  4. Step 4: Simplify right side
    130,202.61x = 13,617,450,196.68
  5. Step 5: Solve for x
    x = 13,617,450,196.68/130,202.61
  6. Step 6: Final answer
    x = 104,586.61

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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.