Home / 145,091.84-199,897.36-112,273.44

Finding the Fourth Proportional to 145,091.84, 199,897.36 and 112,273.44

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Solution

The fourth proportional to 145,091.84, 199,897.36 and 112,273.44 is: 154,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,091.84 : 199,897.36 = 112,273.44 : x
  2. Step 2: Convert to fraction form
    145,091.84/199,897.36 = 112,273.44/x
  3. Step 3: Cross multiply
    145,091.84x = 199,897.36 × 112,273.44
  4. Step 4: Simplify right side
    145,091.84x = 22,443,164,254.12
  5. Step 5: Solve for x
    x = 22,443,164,254.12/145,091.84
  6. Step 6: Final answer
    x = 154,682.47

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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.