Home / 230,547.06-345,976.01-80,788.70

Finding the Fourth Proportional to 230,547.06, 345,976.01 and 80,788.70

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Solution

The fourth proportional to 230,547.06, 345,976.01 and 80,788.70 is: 121,237.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,547.06 : 345,976.01 = 80,788.70 : x
  2. Step 2: Convert to fraction form
    230,547.06/345,976.01 = 80,788.70/x
  3. Step 3: Cross multiply
    230,547.06x = 345,976.01 × 80,788.70
  4. Step 4: Simplify right side
    230,547.06x = 27,950,949,945.26
  5. Step 5: Solve for x
    x = 27,950,949,945.26/230,547.06
  6. Step 6: Final answer
    x = 121,237.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.