Home / 156,746.72-216,211.92-93,039.68

Finding the Fourth Proportional to 156,746.72, 216,211.92 and 93,039.68

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Solution

The fourth proportional to 156,746.72, 216,211.92 and 93,039.68 is: 128,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,746.72 : 216,211.92 = 93,039.68 : x
  2. Step 2: Convert to fraction form
    156,746.72/216,211.92 = 93,039.68/x
  3. Step 3: Cross multiply
    156,746.72x = 216,211.92 × 93,039.68
  4. Step 4: Simplify right side
    156,746.72x = 20,116,287,848.99
  5. Step 5: Solve for x
    x = 20,116,287,848.99/156,746.72
  6. Step 6: Final answer
    x = 128,336.26

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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.