Home / 119,220.84-178,829.16-48,141.66

Finding the Fourth Proportional to 119,220.84, 178,829.16 and 48,141.66

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Solution

The fourth proportional to 119,220.84, 178,829.16 and 48,141.66 is: 72,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,220.84 : 178,829.16 = 48,141.66 : x
  2. Step 2: Convert to fraction form
    119,220.84/178,829.16 = 48,141.66/x
  3. Step 3: Cross multiply
    119,220.84x = 178,829.16 × 48,141.66
  4. Step 4: Simplify right side
    119,220.84x = 8,609,132,618.81
  5. Step 5: Solve for x
    x = 8,609,132,618.81/119,220.84
  6. Step 6: Final answer
    x = 72,211.64

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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.