Home / 156,730.74-235,102.05-51,558.18

Finding the Fourth Proportional to 156,730.74, 235,102.05 and 51,558.18

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Solution

The fourth proportional to 156,730.74, 235,102.05 and 51,558.18 is: 77,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,730.74 : 235,102.05 = 51,558.18 : x
  2. Step 2: Convert to fraction form
    156,730.74/235,102.05 = 51,558.18/x
  3. Step 3: Cross multiply
    156,730.74x = 235,102.05 × 51,558.18
  4. Step 4: Simplify right side
    156,730.74x = 12,121,433,812.27
  5. Step 5: Solve for x
    x = 12,121,433,812.27/156,730.74
  6. Step 6: Final answer
    x = 77,339.22

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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.