Home / 188,030.84-259,500.30-107,442.75

Finding the Fourth Proportional to 188,030.84, 259,500.30 and 107,442.75

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Solution

The fourth proportional to 188,030.84, 259,500.30 and 107,442.75 is: 148,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,030.84 : 259,500.30 = 107,442.75 : x
  2. Step 2: Convert to fraction form
    188,030.84/259,500.30 = 107,442.75/x
  3. Step 3: Cross multiply
    188,030.84x = 259,500.30 × 107,442.75
  4. Step 4: Simplify right side
    188,030.84x = 27,881,425,857.83
  5. Step 5: Solve for x
    x = 27,881,425,857.83/188,030.84
  6. Step 6: Final answer
    x = 148,281.13

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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.