Home / 155,144.64-214,035.84-98,535.36

Finding the Fourth Proportional to 155,144.64, 214,035.84 and 98,535.36

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Solution

The fourth proportional to 155,144.64, 214,035.84 and 98,535.36 is: 135,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,144.64 : 214,035.84 = 98,535.36 : x
  2. Step 2: Convert to fraction form
    155,144.64/214,035.84 = 98,535.36/x
  3. Step 3: Cross multiply
    155,144.64x = 214,035.84 × 98,535.36
  4. Step 4: Simplify right side
    155,144.64x = 21,090,098,547.30
  5. Step 5: Solve for x
    x = 21,090,098,547.30/155,144.64
  6. Step 6: Final answer
    x = 135,938.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.