Home / 165,041.91-247,560.21-52,721.40

Finding the Fourth Proportional to 165,041.91, 247,560.21 and 52,721.40

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Solution

The fourth proportional to 165,041.91, 247,560.21 and 52,721.40 is: 79,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,041.91 : 247,560.21 = 52,721.40 : x
  2. Step 2: Convert to fraction form
    165,041.91/247,560.21 = 52,721.40/x
  3. Step 3: Cross multiply
    165,041.91x = 247,560.21 × 52,721.40
  4. Step 4: Simplify right side
    165,041.91x = 13,051,720,855.49
  5. Step 5: Solve for x
    x = 13,051,720,855.49/165,041.91
  6. Step 6: Final answer
    x = 79,081.25

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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.