Home / 188,422.93-260,038.11-107,875.72

Finding the Fourth Proportional to 188,422.93, 260,038.11 and 107,875.72

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Solution

The fourth proportional to 188,422.93, 260,038.11 and 107,875.72 is: 148,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,422.93 : 260,038.11 = 107,875.72 : x
  2. Step 2: Convert to fraction form
    188,422.93/260,038.11 = 107,875.72/x
  3. Step 3: Cross multiply
    188,422.93x = 260,038.11 × 107,875.72
  4. Step 4: Simplify right side
    188,422.93x = 28,051,798,343.69
  5. Step 5: Solve for x
    x = 28,051,798,343.69/188,422.93
  6. Step 6: Final answer
    x = 148,876.78

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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.