Home / 191,284.42-286,803.56-91,442.38

Finding the Fourth Proportional to 191,284.42, 286,803.56 and 91,442.38

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Solution

The fourth proportional to 191,284.42, 286,803.56 and 91,442.38 is: 137,104.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,284.42 : 286,803.56 = 91,442.38 : x
  2. Step 2: Convert to fraction form
    191,284.42/286,803.56 = 91,442.38/x
  3. Step 3: Cross multiply
    191,284.42x = 286,803.56 × 91,442.38
  4. Step 4: Simplify right side
    191,284.42x = 26,226,000,118.87
  5. Step 5: Solve for x
    x = 26,226,000,118.87/191,284.42
  6. Step 6: Final answer
    x = 137,104.74

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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.