Home / 115,256.18-172,889.67-56,021.24

Finding the Fourth Proportional to 115,256.18, 172,889.67 and 56,021.24

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Solution

The fourth proportional to 115,256.18, 172,889.67 and 56,021.24 is: 84,034.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,256.18 : 172,889.67 = 56,021.24 : x
  2. Step 2: Convert to fraction form
    115,256.18/172,889.67 = 56,021.24/x
  3. Step 3: Cross multiply
    115,256.18x = 172,889.67 × 56,021.24
  4. Step 4: Simplify right side
    115,256.18x = 9,685,493,696.59
  5. Step 5: Solve for x
    x = 9,685,493,696.59/115,256.18
  6. Step 6: Final answer
    x = 84,034.48

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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.