Home / 156,652.10-216,183.74-85,031.94

Finding the Fourth Proportional to 156,652.10, 216,183.74 and 85,031.94

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Solution

The fourth proportional to 156,652.10, 216,183.74 and 85,031.94 is: 117,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,652.10 : 216,183.74 = 85,031.94 : x
  2. Step 2: Convert to fraction form
    156,652.10/216,183.74 = 85,031.94/x
  3. Step 3: Cross multiply
    156,652.10x = 216,183.74 × 85,031.94
  4. Step 4: Simplify right side
    156,652.10x = 18,382,522,808.66
  5. Step 5: Solve for x
    x = 18,382,522,808.66/156,652.10
  6. Step 6: Final answer
    x = 117,346.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.