Home / 205,073.80-307,553.10-64,875.40

Finding the Fourth Proportional to 205,073.80, 307,553.10 and 64,875.40

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Solution

The fourth proportional to 205,073.80, 307,553.10 and 64,875.40 is: 97,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,073.80 : 307,553.10 = 64,875.40 : x
  2. Step 2: Convert to fraction form
    205,073.80/307,553.10 = 64,875.40/x
  3. Step 3: Cross multiply
    205,073.80x = 307,553.10 × 64,875.40
  4. Step 4: Simplify right side
    205,073.80x = 19,952,630,383.74
  5. Step 5: Solve for x
    x = 19,952,630,383.74/205,073.80
  6. Step 6: Final answer
    x = 97,294.88

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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.