Home / 153,269.10-211,511.52-85,292.28

Finding the Fourth Proportional to 153,269.10, 211,511.52 and 85,292.28

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Solution

The fourth proportional to 153,269.10, 211,511.52 and 85,292.28 is: 117,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,269.10 : 211,511.52 = 85,292.28 : x
  2. Step 2: Convert to fraction form
    153,269.10/211,511.52 = 85,292.28/x
  3. Step 3: Cross multiply
    153,269.10x = 211,511.52 × 85,292.28
  4. Step 4: Simplify right side
    153,269.10x = 18,040,299,787.07
  5. Step 5: Solve for x
    x = 18,040,299,787.07/153,269.10
  6. Step 6: Final answer
    x = 117,703.44

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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.