Home / 172,712.26-259,077.63-54,392.81

Finding the Fourth Proportional to 172,712.26, 259,077.63 and 54,392.81

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Solution

The fourth proportional to 172,712.26, 259,077.63 and 54,392.81 is: 81,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,712.26 : 259,077.63 = 54,392.81 : x
  2. Step 2: Convert to fraction form
    172,712.26/259,077.63 = 54,392.81/x
  3. Step 3: Cross multiply
    172,712.26x = 259,077.63 × 54,392.81
  4. Step 4: Simplify right side
    172,712.26x = 14,091,960,303.84
  5. Step 5: Solve for x
    x = 14,091,960,303.84/172,712.26
  6. Step 6: Final answer
    x = 81,592.13

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1.5x scale

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.