Home / 172,355.02-237,772.18-100,702.82

Finding the Fourth Proportional to 172,355.02, 237,772.18 and 100,702.82

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Solution

The fourth proportional to 172,355.02, 237,772.18 and 100,702.82 is: 138,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,355.02 : 237,772.18 = 100,702.82 : x
  2. Step 2: Convert to fraction form
    172,355.02/237,772.18 = 100,702.82/x
  3. Step 3: Cross multiply
    172,355.02x = 237,772.18 × 100,702.82
  4. Step 4: Simplify right side
    172,355.02x = 23,944,329,043.55
  5. Step 5: Solve for x
    x = 23,944,329,043.55/172,355.02
  6. Step 6: Final answer
    x = 138,924.47

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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.