Home / 143,534.60-215,277.06-43,670.60

Finding the Fourth Proportional to 143,534.60, 215,277.06 and 43,670.60

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Solution

The fourth proportional to 143,534.60, 215,277.06 and 43,670.60 is: 65,498.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,534.60 : 215,277.06 = 43,670.60 : x
  2. Step 2: Convert to fraction form
    143,534.60/215,277.06 = 43,670.60/x
  3. Step 3: Cross multiply
    143,534.60x = 215,277.06 × 43,670.60
  4. Step 4: Simplify right side
    143,534.60x = 9,401,278,376.44
  5. Step 5: Solve for x
    x = 9,401,278,376.44/143,534.60
  6. Step 6: Final answer
    x = 65,498.34

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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.