Home / 152,117.02-228,382.44-85,603.96

Finding the Fourth Proportional to 152,117.02, 228,382.44 and 85,603.96

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Solution

The fourth proportional to 152,117.02, 228,382.44 and 85,603.96 is: 128,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,117.02 : 228,382.44 = 85,603.96 : x
  2. Step 2: Convert to fraction form
    152,117.02/228,382.44 = 85,603.96/x
  3. Step 3: Cross multiply
    152,117.02x = 228,382.44 × 85,603.96
  4. Step 4: Simplify right side
    152,117.02x = 19,550,441,258.46
  5. Step 5: Solve for x
    x = 19,550,441,258.46/152,117.02
  6. Step 6: Final answer
    x = 128,522.38

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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.