Home / 152,569.50-228,811.86-85,018.50

Finding the Fourth Proportional to 152,569.50, 228,811.86 and 85,018.50

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Solution

The fourth proportional to 152,569.50, 228,811.86 and 85,018.50 is: 127,504.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,569.50 : 228,811.86 = 85,018.50 : x
  2. Step 2: Convert to fraction form
    152,569.50/228,811.86 = 85,018.50/x
  3. Step 3: Cross multiply
    152,569.50x = 228,811.86 × 85,018.50
  4. Step 4: Simplify right side
    152,569.50x = 19,453,241,119.41
  5. Step 5: Solve for x
    x = 19,453,241,119.41/152,569.50
  6. Step 6: Final answer
    x = 127,504.13

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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.