Home / 156,741.70-235,112.55-51,535.30

Finding the Fourth Proportional to 156,741.70, 235,112.55 and 51,535.30

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Solution

The fourth proportional to 156,741.70, 235,112.55 and 51,535.30 is: 77,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,741.70 : 235,112.55 = 51,535.30 : x
  2. Step 2: Convert to fraction form
    156,741.70/235,112.55 = 51,535.30/x
  3. Step 3: Cross multiply
    156,741.70x = 235,112.55 × 51,535.30
  4. Step 4: Simplify right side
    156,741.70x = 12,116,595,798.02
  5. Step 5: Solve for x
    x = 12,116,595,798.02/156,741.70
  6. Step 6: Final answer
    x = 77,302.95

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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.