Home / 171,760.19-237,031.40-128,663.33

Finding the Fourth Proportional to 171,760.19, 237,031.40 and 128,663.33

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Solution

The fourth proportional to 171,760.19, 237,031.40 and 128,663.33 is: 177,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,760.19 : 237,031.40 = 128,663.33 : x
  2. Step 2: Convert to fraction form
    171,760.19/237,031.40 = 128,663.33/x
  3. Step 3: Cross multiply
    171,760.19x = 237,031.40 × 128,663.33
  4. Step 4: Simplify right side
    171,760.19x = 30,497,248,595.25
  5. Step 5: Solve for x
    x = 30,497,248,595.25/171,760.19
  6. Step 6: Final answer
    x = 177,557.14

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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.