Home / 155,518.16-214,418.88-101,717.96

Finding the Fourth Proportional to 155,518.16, 214,418.88 and 101,717.96

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Solution

The fourth proportional to 155,518.16, 214,418.88 and 101,717.96 is: 140,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,518.16 : 214,418.88 = 101,717.96 : x
  2. Step 2: Convert to fraction form
    155,518.16/214,418.88 = 101,717.96/x
  3. Step 3: Cross multiply
    155,518.16x = 214,418.88 × 101,717.96
  4. Step 4: Simplify right side
    155,518.16x = 21,810,249,986.99
  5. Step 5: Solve for x
    x = 21,810,249,986.99/155,518.16
  6. Step 6: Final answer
    x = 140,242.47

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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.