Home / 156,558.42-234,874.08-51,371.01

Finding the Fourth Proportional to 156,558.42, 234,874.08 and 51,371.01

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Solution

The fourth proportional to 156,558.42, 234,874.08 and 51,371.01 is: 77,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,558.42 : 234,874.08 = 51,371.01 : x
  2. Step 2: Convert to fraction form
    156,558.42/234,874.08 = 51,371.01/x
  3. Step 3: Cross multiply
    156,558.42x = 234,874.08 × 51,371.01
  4. Step 4: Simplify right side
    156,558.42x = 12,065,718,712.42
  5. Step 5: Solve for x
    x = 12,065,718,712.42/156,558.42
  6. Step 6: Final answer
    x = 77,068.48

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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.