Home / 144,825.78-199,867.47-81,184.02

Finding the Fourth Proportional to 144,825.78, 199,867.47 and 81,184.02

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Solution

The fourth proportional to 144,825.78, 199,867.47 and 81,184.02 is: 112,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,825.78 : 199,867.47 = 81,184.02 : x
  2. Step 2: Convert to fraction form
    144,825.78/199,867.47 = 81,184.02/x
  3. Step 3: Cross multiply
    144,825.78x = 199,867.47 × 81,184.02
  4. Step 4: Simplify right side
    144,825.78x = 16,226,044,681.83
  5. Step 5: Solve for x
    x = 16,226,044,681.83/144,825.78
  6. Step 6: Final answer
    x = 112,038.37

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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.