Home / 156,900.64-235,277.04-56,990.38

Finding the Fourth Proportional to 156,900.64, 235,277.04 and 56,990.38

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Solution

The fourth proportional to 156,900.64, 235,277.04 and 56,990.38 is: 85,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,900.64 : 235,277.04 = 56,990.38 : x
  2. Step 2: Convert to fraction form
    156,900.64/235,277.04 = 56,990.38/x
  3. Step 3: Cross multiply
    156,900.64x = 235,277.04 × 56,990.38
  4. Step 4: Simplify right side
    156,900.64x = 13,408,527,914.88
  5. Step 5: Solve for x
    x = 13,408,527,914.88/156,900.64
  6. Step 6: Final answer
    x = 85,458.72

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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.