Home / 172,105.40-237,374.02-124,516.28

Finding the Fourth Proportional to 172,105.40, 237,374.02 and 124,516.28

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Solution

The fourth proportional to 172,105.40, 237,374.02 and 124,516.28 is: 171,737.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,105.40 : 237,374.02 = 124,516.28 : x
  2. Step 2: Convert to fraction form
    172,105.40/237,374.02 = 124,516.28/x
  3. Step 3: Cross multiply
    172,105.40x = 237,374.02 × 124,516.28
  4. Step 4: Simplify right side
    172,105.40x = 29,556,929,939.05
  5. Step 5: Solve for x
    x = 29,556,929,939.05/172,105.40
  6. Step 6: Final answer
    x = 171,737.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.