Home / 102,427.64-153,646.32-49,774.40

Finding the Fourth Proportional to 102,427.64, 153,646.32 and 49,774.40

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Solution

The fourth proportional to 102,427.64, 153,646.32 and 49,774.40 is: 74,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,427.64 : 153,646.32 = 49,774.40 : x
  2. Step 2: Convert to fraction form
    102,427.64/153,646.32 = 49,774.40/x
  3. Step 3: Cross multiply
    102,427.64x = 153,646.32 × 49,774.40
  4. Step 4: Simplify right side
    102,427.64x = 7,647,653,390.21
  5. Step 5: Solve for x
    x = 7,647,653,390.21/102,427.64
  6. Step 6: Final answer
    x = 74,663.96

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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.