Home / 142,685.16-214,355.92-100,662.08

Finding the Fourth Proportional to 142,685.16, 214,355.92 and 100,662.08

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Solution

The fourth proportional to 142,685.16, 214,355.92 and 100,662.08 is: 151,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,685.16 : 214,355.92 = 100,662.08 : x
  2. Step 2: Convert to fraction form
    142,685.16/214,355.92 = 100,662.08/x
  3. Step 3: Cross multiply
    142,685.16x = 214,355.92 × 100,662.08
  4. Step 4: Simplify right side
    142,685.16x = 21,577,512,767.51
  5. Step 5: Solve for x
    x = 21,577,512,767.51/142,685.16
  6. Step 6: Final answer
    x = 151,224.65

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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.