Home / 155,643.04-214,694.31-98,180.83

Finding the Fourth Proportional to 155,643.04, 214,694.31 and 98,180.83

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Solution

The fourth proportional to 155,643.04, 214,694.31 and 98,180.83 is: 135,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,643.04 : 214,694.31 = 98,180.83 : x
  2. Step 2: Convert to fraction form
    155,643.04/214,694.31 = 98,180.83/x
  3. Step 3: Cross multiply
    155,643.04x = 214,694.31 × 98,180.83
  4. Step 4: Simplify right side
    155,643.04x = 21,078,865,552.08
  5. Step 5: Solve for x
    x = 21,078,865,552.08/155,643.04
  6. Step 6: Final answer
    x = 135,430.83

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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.