Home / 210,177.92-315,263.54-97,795.28

Finding the Fourth Proportional to 210,177.92, 315,263.54 and 97,795.28

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Solution

The fourth proportional to 210,177.92, 315,263.54 and 97,795.28 is: 146,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,177.92 : 315,263.54 = 97,795.28 : x
  2. Step 2: Convert to fraction form
    210,177.92/315,263.54 = 97,795.28/x
  3. Step 3: Cross multiply
    210,177.92x = 315,263.54 × 97,795.28
  4. Step 4: Simplify right side
    210,177.92x = 30,831,285,679.11
  5. Step 5: Solve for x
    x = 30,831,285,679.11/210,177.92
  6. Step 6: Final answer
    x = 146,691.36

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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.