Home / 172,927.68-238,730.40-122,746.56

Finding the Fourth Proportional to 172,927.68, 238,730.40 and 122,746.56

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Solution

The fourth proportional to 172,927.68, 238,730.40 and 122,746.56 is: 169,454.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,927.68 : 238,730.40 = 122,746.56 : x
  2. Step 2: Convert to fraction form
    172,927.68/238,730.40 = 122,746.56/x
  3. Step 3: Cross multiply
    172,927.68x = 238,730.40 × 122,746.56
  4. Step 4: Simplify right side
    172,927.68x = 29,303,335,367.42
  5. Step 5: Solve for x
    x = 29,303,335,367.42/172,927.68
  6. Step 6: Final answer
    x = 169,454.28

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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.