Home / 151,946.40-228,124.80-88,831.20

Finding the Fourth Proportional to 151,946.40, 228,124.80 and 88,831.20

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Solution

The fourth proportional to 151,946.40, 228,124.80 and 88,831.20 is: 133,366.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,946.40 : 228,124.80 = 88,831.20 : x
  2. Step 2: Convert to fraction form
    151,946.40/228,124.80 = 88,831.20/x
  3. Step 3: Cross multiply
    151,946.40x = 228,124.80 × 88,831.20
  4. Step 4: Simplify right side
    151,946.40x = 20,264,599,733.76
  5. Step 5: Solve for x
    x = 20,264,599,733.76/151,946.40
  6. Step 6: Final answer
    x = 133,366.76

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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.