Home / 208,916.13-313,374.27-114,094.45

Finding the Fourth Proportional to 208,916.13, 313,374.27 and 114,094.45

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Solution

The fourth proportional to 208,916.13, 313,374.27 and 114,094.45 is: 171,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,916.13 : 313,374.27 = 114,094.45 : x
  2. Step 2: Convert to fraction form
    208,916.13/313,374.27 = 114,094.45/x
  3. Step 3: Cross multiply
    208,916.13x = 313,374.27 × 114,094.45
  4. Step 4: Simplify right side
    208,916.13x = 35,754,264,979.80
  5. Step 5: Solve for x
    x = 35,754,264,979.80/208,916.13
  6. Step 6: Final answer
    x = 171,141.72

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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.