Home / 188,987.28-260,802.39-104,106.12

Finding the Fourth Proportional to 188,987.28, 260,802.39 and 104,106.12

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Solution

The fourth proportional to 188,987.28, 260,802.39 and 104,106.12 is: 143,666.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,987.28 : 260,802.39 = 104,106.12 : x
  2. Step 2: Convert to fraction form
    188,987.28/260,802.39 = 104,106.12/x
  3. Step 3: Cross multiply
    188,987.28x = 260,802.39 × 104,106.12
  4. Step 4: Simplify right side
    188,987.28x = 27,151,124,909.63
  5. Step 5: Solve for x
    x = 27,151,124,909.63/188,987.28
  6. Step 6: Final answer
    x = 143,666.41

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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.