Home / 76,146.18-105,071.40-44,290.50

Finding the Fourth Proportional to 76,146.18, 105,071.40 and 44,290.50

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Solution

The fourth proportional to 76,146.18, 105,071.40 and 44,290.50 is: 61,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,146.18 : 105,071.40 = 44,290.50 : x
  2. Step 2: Convert to fraction form
    76,146.18/105,071.40 = 44,290.50/x
  3. Step 3: Cross multiply
    76,146.18x = 105,071.40 × 44,290.50
  4. Step 4: Simplify right side
    76,146.18x = 4,653,664,841.70
  5. Step 5: Solve for x
    x = 4,653,664,841.70/76,146.18
  6. Step 6: Final answer
    x = 61,114.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.