Home / 179,260.80-247,601.60-131,438.40

Finding the Fourth Proportional to 179,260.80, 247,601.60 and 131,438.40

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Solution

The fourth proportional to 179,260.80, 247,601.60 and 131,438.40 is: 181,547.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,260.80 : 247,601.60 = 131,438.40 : x
  2. Step 2: Convert to fraction form
    179,260.80/247,601.60 = 131,438.40/x
  3. Step 3: Cross multiply
    179,260.80x = 247,601.60 × 131,438.40
  4. Step 4: Simplify right side
    179,260.80x = 32,544,358,141.44
  5. Step 5: Solve for x
    x = 32,544,358,141.44/179,260.80
  6. Step 6: Final answer
    x = 181,547.54

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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.