Home / 145,766.39-218,555.89-61,503.50

Finding the Fourth Proportional to 145,766.39, 218,555.89 and 61,503.50

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Solution

The fourth proportional to 145,766.39, 218,555.89 and 61,503.50 is: 92,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,766.39 : 218,555.89 = 61,503.50 : x
  2. Step 2: Convert to fraction form
    145,766.39/218,555.89 = 61,503.50/x
  3. Step 3: Cross multiply
    145,766.39x = 218,555.89 × 61,503.50
  4. Step 4: Simplify right side
    145,766.39x = 13,441,952,573.25
  5. Step 5: Solve for x
    x = 13,441,952,573.25/145,766.39
  6. Step 6: Final answer
    x = 92,215.72

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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.