Home / 143,170.80-214,701.48-47,085.66

Finding the Fourth Proportional to 143,170.80, 214,701.48 and 47,085.66

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Solution

The fourth proportional to 143,170.80, 214,701.48 and 47,085.66 is: 70,610.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,170.80 : 214,701.48 = 47,085.66 : x
  2. Step 2: Convert to fraction form
    143,170.80/214,701.48 = 47,085.66/x
  3. Step 3: Cross multiply
    143,170.80x = 214,701.48 × 47,085.66
  4. Step 4: Simplify right side
    143,170.80x = 10,109,360,888.78
  5. Step 5: Solve for x
    x = 10,109,360,888.78/143,170.80
  6. Step 6: Final answer
    x = 70,610.49

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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.