Home / 143,091.60-214,345.80-73,010.40

Finding the Fourth Proportional to 143,091.60, 214,345.80 and 73,010.40

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Solution

The fourth proportional to 143,091.60, 214,345.80 and 73,010.40 is: 109,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,091.60 : 214,345.80 = 73,010.40 : x
  2. Step 2: Convert to fraction form
    143,091.60/214,345.80 = 73,010.40/x
  3. Step 3: Cross multiply
    143,091.60x = 214,345.80 × 73,010.40
  4. Step 4: Simplify right side
    143,091.60x = 15,649,472,596.32
  5. Step 5: Solve for x
    x = 15,649,472,596.32/143,091.60
  6. Step 6: Final answer
    x = 109,366.82

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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.