Home / 156,831.60-216,379.86-88,837.74

Finding the Fourth Proportional to 156,831.60, 216,379.86 and 88,837.74

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Solution

The fourth proportional to 156,831.60, 216,379.86 and 88,837.74 is: 122,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,831.60 : 216,379.86 = 88,837.74 : x
  2. Step 2: Convert to fraction form
    156,831.60/216,379.86 = 88,837.74/x
  3. Step 3: Cross multiply
    156,831.60x = 216,379.86 × 88,837.74
  4. Step 4: Simplify right side
    156,831.60x = 19,222,697,743.92
  5. Step 5: Solve for x
    x = 19,222,697,743.92/156,831.60
  6. Step 6: Final answer
    x = 122,569.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.