Home / 145,970.25-219,040.43-61,725.39

Finding the Fourth Proportional to 145,970.25, 219,040.43 and 61,725.39

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Solution

The fourth proportional to 145,970.25, 219,040.43 and 61,725.39 is: 92,624.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,970.25 : 219,040.43 = 61,725.39 : x
  2. Step 2: Convert to fraction form
    145,970.25/219,040.43 = 61,725.39/x
  3. Step 3: Cross multiply
    145,970.25x = 219,040.43 × 61,725.39
  4. Step 4: Simplify right side
    145,970.25x = 13,520,355,658.89
  5. Step 5: Solve for x
    x = 13,520,355,658.89/145,970.25
  6. Step 6: Final answer
    x = 92,624.05

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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.