Home / 156,746.58-216,310.23-85,126.62

Finding the Fourth Proportional to 156,746.58, 216,310.23 and 85,126.62

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Solution

The fourth proportional to 156,746.58, 216,310.23 and 85,126.62 is: 117,474.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,746.58 : 216,310.23 = 85,126.62 : x
  2. Step 2: Convert to fraction form
    156,746.58/216,310.23 = 85,126.62/x
  3. Step 3: Cross multiply
    156,746.58x = 216,310.23 × 85,126.62
  4. Step 4: Simplify right side
    156,746.58x = 18,413,758,751.32
  5. Step 5: Solve for x
    x = 18,413,758,751.32/156,746.58
  6. Step 6: Final answer
    x = 117,474.71

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1.5x scale

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.