Home / 163,371.78-225,426.57-102,110.76

Finding the Fourth Proportional to 163,371.78, 225,426.57 and 102,110.76

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Solution

The fourth proportional to 163,371.78, 225,426.57 and 102,110.76 is: 140,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,371.78 : 225,426.57 = 102,110.76 : x
  2. Step 2: Convert to fraction form
    163,371.78/225,426.57 = 102,110.76/x
  3. Step 3: Cross multiply
    163,371.78x = 225,426.57 × 102,110.76
  4. Step 4: Simplify right side
    163,371.78x = 23,018,478,386.89
  5. Step 5: Solve for x
    x = 23,018,478,386.89/163,371.78
  6. Step 6: Final answer
    x = 140,896.29

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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.