Home / 144,837.17-199,875.03-81,174.95

Finding the Fourth Proportional to 144,837.17, 199,875.03 and 81,174.95

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Solution

The fourth proportional to 144,837.17, 199,875.03 and 81,174.95 is: 112,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,837.17 : 199,875.03 = 81,174.95 : x
  2. Step 2: Convert to fraction form
    144,837.17/199,875.03 = 81,174.95/x
  3. Step 3: Cross multiply
    144,837.17x = 199,875.03 × 81,174.95
  4. Step 4: Simplify right side
    144,837.17x = 16,224,845,566.50
  5. Step 5: Solve for x
    x = 16,224,845,566.50/144,837.17
  6. Step 6: Final answer
    x = 112,021.28

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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.