Home / 113,032.69-155,983.45-64,634.11

Finding the Fourth Proportional to 113,032.69, 155,983.45 and 64,634.11

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Solution

The fourth proportional to 113,032.69, 155,983.45 and 64,634.11 is: 89,194.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,032.69 : 155,983.45 = 64,634.11 : x
  2. Step 2: Convert to fraction form
    113,032.69/155,983.45 = 64,634.11/x
  3. Step 3: Cross multiply
    113,032.69x = 155,983.45 × 64,634.11
  4. Step 4: Simplify right side
    113,032.69x = 10,081,851,465.48
  5. Step 5: Solve for x
    x = 10,081,851,465.48/113,032.69
  6. Step 6: Final answer
    x = 89,194.12

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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.