Home / 97,147.08-145,418.76-52,663.50

Finding the Fourth Proportional to 97,147.08, 145,418.76 and 52,663.50

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Solution

The fourth proportional to 97,147.08, 145,418.76 and 52,663.50 is: 78,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,147.08 : 145,418.76 = 52,663.50 : x
  2. Step 2: Convert to fraction form
    97,147.08/145,418.76 = 52,663.50/x
  3. Step 3: Cross multiply
    97,147.08x = 145,418.76 × 52,663.50
  4. Step 4: Simplify right side
    97,147.08x = 7,658,260,867.26
  5. Step 5: Solve for x
    x = 7,658,260,867.26/97,147.08
  6. Step 6: Final answer
    x = 78,831.61

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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.