Home / 109,026.86-163,603.73-45,842.40

Finding the Fourth Proportional to 109,026.86, 163,603.73 and 45,842.40

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Solution

The fourth proportional to 109,026.86, 163,603.73 and 45,842.40 is: 68,790.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,026.86 : 163,603.73 = 45,842.40 : x
  2. Step 2: Convert to fraction form
    109,026.86/163,603.73 = 45,842.40/x
  3. Step 3: Cross multiply
    109,026.86x = 163,603.73 × 45,842.40
  4. Step 4: Simplify right side
    109,026.86x = 7,499,987,402.94
  5. Step 5: Solve for x
    x = 7,499,987,402.94/109,026.86
  6. Step 6: Final answer
    x = 68,790.28

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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.