Home / 236,679.18-354,811.41-89,038.86

Finding the Fourth Proportional to 236,679.18, 354,811.41 and 89,038.86

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Solution

The fourth proportional to 236,679.18, 354,811.41 and 89,038.86 is: 133,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,679.18 : 354,811.41 = 89,038.86 : x
  2. Step 2: Convert to fraction form
    236,679.18/354,811.41 = 89,038.86/x
  3. Step 3: Cross multiply
    236,679.18x = 354,811.41 × 89,038.86
  4. Step 4: Simplify right side
    236,679.18x = 31,592,003,461.39
  5. Step 5: Solve for x
    x = 31,592,003,461.39/236,679.18
  6. Step 6: Final answer
    x = 133,480.28

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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.