Home / 150,551.82-207,702.18-86,877.30

Finding the Fourth Proportional to 150,551.82, 207,702.18 and 86,877.30

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Solution

The fourth proportional to 150,551.82, 207,702.18 and 86,877.30 is: 119,856.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,551.82 : 207,702.18 = 86,877.30 : x
  2. Step 2: Convert to fraction form
    150,551.82/207,702.18 = 86,877.30/x
  3. Step 3: Cross multiply
    150,551.82x = 207,702.18 × 86,877.30
  4. Step 4: Simplify right side
    150,551.82x = 18,044,604,602.51
  5. Step 5: Solve for x
    x = 18,044,604,602.51/150,551.82
  6. Step 6: Final answer
    x = 119,856.44

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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.