Home / 155,267.04-214,116.30-98,580

Finding the Fourth Proportional to 155,267.04, 214,116.30 and 98,580

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Solution

The fourth proportional to 155,267.04, 214,116.30 and 98,580 is: 135,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,267.04 : 214,116.30 = 98,580 : x
  2. Step 2: Convert to fraction form
    155,267.04/214,116.30 = 98,580/x
  3. Step 3: Cross multiply
    155,267.04x = 214,116.30 × 98,580
  4. Step 4: Simplify right side
    155,267.04x = 21,107,584,854
  5. Step 5: Solve for x
    x = 21,107,584,854/155,267.04
  6. Step 6: Final answer
    x = 135,943.76

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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.