Home / 156,737.40-235,081.74-51,555.60

Finding the Fourth Proportional to 156,737.40, 235,081.74 and 51,555.60

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Solution

The fourth proportional to 156,737.40, 235,081.74 and 51,555.60 is: 77,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,737.40 : 235,081.74 = 51,555.60 : x
  2. Step 2: Convert to fraction form
    156,737.40/235,081.74 = 51,555.60/x
  3. Step 3: Cross multiply
    156,737.40x = 235,081.74 × 51,555.60
  4. Step 4: Simplify right side
    156,737.40x = 12,119,780,154.74
  5. Step 5: Solve for x
    x = 12,119,780,154.74/156,737.40
  6. Step 6: Final answer
    x = 77,325.39

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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.