Home / 172,297.28-237,735.40-100,663.46

Finding the Fourth Proportional to 172,297.28, 237,735.40 and 100,663.46

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Solution

The fourth proportional to 172,297.28, 237,735.40 and 100,663.46 is: 138,895.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,297.28 : 237,735.40 = 100,663.46 : x
  2. Step 2: Convert to fraction form
    172,297.28/237,735.40 = 100,663.46/x
  3. Step 3: Cross multiply
    172,297.28x = 237,735.40 × 100,663.46
  4. Step 4: Simplify right side
    172,297.28x = 23,931,266,236.49
  5. Step 5: Solve for x
    x = 23,931,266,236.49/172,297.28
  6. Step 6: Final answer
    x = 138,895.21

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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.