Home / 172,428.35-237,948.71-96,976.85

Finding the Fourth Proportional to 172,428.35, 237,948.71 and 96,976.85

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Solution

The fourth proportional to 172,428.35, 237,948.71 and 96,976.85 is: 133,826.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,428.35 : 237,948.71 = 96,976.85 : x
  2. Step 2: Convert to fraction form
    172,428.35/237,948.71 = 96,976.85/x
  3. Step 3: Cross multiply
    172,428.35x = 237,948.71 × 96,976.85
  4. Step 4: Simplify right side
    172,428.35x = 23,075,514,682.74
  5. Step 5: Solve for x
    x = 23,075,514,682.74/172,428.35
  6. Step 6: Final answer
    x = 133,826.69

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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.