Home / 181,206.40-271,636.80-141,203.20

Finding the Fourth Proportional to 181,206.40, 271,636.80 and 141,203.20

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Solution

The fourth proportional to 181,206.40, 271,636.80 and 141,203.20 is: 211,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,206.40 : 271,636.80 = 141,203.20 : x
  2. Step 2: Convert to fraction form
    181,206.40/271,636.80 = 141,203.20/x
  3. Step 3: Cross multiply
    181,206.40x = 271,636.80 × 141,203.20
  4. Step 4: Simplify right side
    181,206.40x = 38,355,985,397.76
  5. Step 5: Solve for x
    x = 38,355,985,397.76/181,206.40
  6. Step 6: Final answer
    x = 211,670.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.