Home / 156,062.40-234,093.60-89,707.20

Finding the Fourth Proportional to 156,062.40, 234,093.60 and 89,707.20

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Solution

The fourth proportional to 156,062.40, 234,093.60 and 89,707.20 is: 134,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,062.40 : 234,093.60 = 89,707.20 : x
  2. Step 2: Convert to fraction form
    156,062.40/234,093.60 = 89,707.20/x
  3. Step 3: Cross multiply
    156,062.40x = 234,093.60 × 89,707.20
  4. Step 4: Simplify right side
    156,062.40x = 20,999,881,393.92
  5. Step 5: Solve for x
    x = 20,999,881,393.92/156,062.40
  6. Step 6: Final answer
    x = 134,560.80

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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.