Home / 155,513.50-214,634.55-117,722.14

Finding the Fourth Proportional to 155,513.50, 214,634.55 and 117,722.14

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Solution

The fourth proportional to 155,513.50, 214,634.55 and 117,722.14 is: 162,476.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,513.50 : 214,634.55 = 117,722.14 : x
  2. Step 2: Convert to fraction form
    155,513.50/214,634.55 = 117,722.14/x
  3. Step 3: Cross multiply
    155,513.50x = 214,634.55 × 117,722.14
  4. Step 4: Simplify right side
    155,513.50x = 25,267,238,543.94
  5. Step 5: Solve for x
    x = 25,267,238,543.94/155,513.50
  6. Step 6: Final answer
    x = 162,476.17

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1.5x scale

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.