Home / 188,384.81-259,985.50-107,837.60

Finding the Fourth Proportional to 188,384.81, 259,985.50 and 107,837.60

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Solution

The fourth proportional to 188,384.81, 259,985.50 and 107,837.60 is: 148,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,384.81 : 259,985.50 = 107,837.60 : x
  2. Step 2: Convert to fraction form
    188,384.81/259,985.50 = 107,837.60/x
  3. Step 3: Cross multiply
    188,384.81x = 259,985.50 × 107,837.60
  4. Step 4: Simplify right side
    188,384.81x = 28,036,210,785.28
  5. Step 5: Solve for x
    x = 28,036,210,785.28/188,384.81
  6. Step 6: Final answer
    x = 148,824.16

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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.