Home / 143,526.42-215,300.67-43,695.18

Finding the Fourth Proportional to 143,526.42, 215,300.67 and 43,695.18

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Solution

The fourth proportional to 143,526.42, 215,300.67 and 43,695.18 is: 65,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,526.42 : 215,300.67 = 43,695.18 : x
  2. Step 2: Convert to fraction form
    143,526.42/215,300.67 = 43,695.18/x
  3. Step 3: Cross multiply
    143,526.42x = 215,300.67 × 43,695.18
  4. Step 4: Simplify right side
    143,526.42x = 9,407,601,529.77
  5. Step 5: Solve for x
    x = 9,407,601,529.77/143,526.42
  6. Step 6: Final answer
    x = 65,546.13

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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.