Home / 205,148.10-307,691.37-64,888.50

Finding the Fourth Proportional to 205,148.10, 307,691.37 and 64,888.50

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Solution

The fourth proportional to 205,148.10, 307,691.37 and 64,888.50 is: 97,323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,148.10 : 307,691.37 = 64,888.50 : x
  2. Step 2: Convert to fraction form
    205,148.10/307,691.37 = 64,888.50/x
  3. Step 3: Cross multiply
    205,148.10x = 307,691.37 × 64,888.50
  4. Step 4: Simplify right side
    205,148.10x = 19,965,631,462.25
  5. Step 5: Solve for x
    x = 19,965,631,462.25/205,148.10
  6. Step 6: Final answer
    x = 97,323.01

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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.