Home / 155,648.04-214,701.18-98,185.86

Finding the Fourth Proportional to 155,648.04, 214,701.18 and 98,185.86

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Solution

The fourth proportional to 155,648.04, 214,701.18 and 98,185.86 is: 135,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,648.04 : 214,701.18 = 98,185.86 : x
  2. Step 2: Convert to fraction form
    155,648.04/214,701.18 = 98,185.86/x
  3. Step 3: Cross multiply
    155,648.04x = 214,701.18 × 98,185.86
  4. Step 4: Simplify right side
    155,648.04x = 21,080,620,001.31
  5. Step 5: Solve for x
    x = 21,080,620,001.31/155,648.04
  6. Step 6: Final answer
    x = 135,437.75

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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.