Home / 172,682.18-257,756.78-160,018.13

Finding the Fourth Proportional to 172,682.18, 257,756.78 and 160,018.13

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Solution

The fourth proportional to 172,682.18, 257,756.78 and 160,018.13 is: 238,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,682.18 : 257,756.78 = 160,018.13 : x
  2. Step 2: Convert to fraction form
    172,682.18/257,756.78 = 160,018.13/x
  3. Step 3: Cross multiply
    172,682.18x = 257,756.78 × 160,018.13
  4. Step 4: Simplify right side
    172,682.18x = 41,245,758,974.86
  5. Step 5: Solve for x
    x = 41,245,758,974.86/172,682.18
  6. Step 6: Final answer
    x = 238,853.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.