Home / 188,097.12-282,194.28-69,802.20

Finding the Fourth Proportional to 188,097.12, 282,194.28 and 69,802.20

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Solution

The fourth proportional to 188,097.12, 282,194.28 and 69,802.20 is: 104,721.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,097.12 : 282,194.28 = 69,802.20 : x
  2. Step 2: Convert to fraction form
    188,097.12/282,194.28 = 69,802.20/x
  3. Step 3: Cross multiply
    188,097.12x = 282,194.28 × 69,802.20
  4. Step 4: Simplify right side
    188,097.12x = 19,697,781,571.42
  5. Step 5: Solve for x
    x = 19,697,781,571.42/188,097.12
  6. Step 6: Final answer
    x = 104,721.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.