Home / 156,823.75-235,235.81-42,972.52

Finding the Fourth Proportional to 156,823.75, 235,235.81 and 42,972.52

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Solution

The fourth proportional to 156,823.75, 235,235.81 and 42,972.52 is: 64,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,823.75 : 235,235.81 = 42,972.52 : x
  2. Step 2: Convert to fraction form
    156,823.75/235,235.81 = 42,972.52/x
  3. Step 3: Cross multiply
    156,823.75x = 235,235.81 × 42,972.52
  4. Step 4: Simplify right side
    156,823.75x = 10,108,675,549.94
  5. Step 5: Solve for x
    x = 10,108,675,549.94/156,823.75
  6. Step 6: Final answer
    x = 64,458.83

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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.