Home / 130,897.08-196,403.94-68,553

Finding the Fourth Proportional to 130,897.08, 196,403.94 and 68,553

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Solution

The fourth proportional to 130,897.08, 196,403.94 and 68,553 is: 102,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,897.08 : 196,403.94 = 68,553 : x
  2. Step 2: Convert to fraction form
    130,897.08/196,403.94 = 68,553/x
  3. Step 3: Cross multiply
    130,897.08x = 196,403.94 × 68,553
  4. Step 4: Simplify right side
    130,897.08x = 13,464,079,298.82
  5. Step 5: Solve for x
    x = 13,464,079,298.82/130,897.08
  6. Step 6: Final answer
    x = 102,860.04

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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.