Home / 112,214.56-154,855.76-61,913.60

Finding the Fourth Proportional to 112,214.56, 154,855.76 and 61,913.60

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Solution

The fourth proportional to 112,214.56, 154,855.76 and 61,913.60 is: 85,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,214.56 : 154,855.76 = 61,913.60 : x
  2. Step 2: Convert to fraction form
    112,214.56/154,855.76 = 61,913.60/x
  3. Step 3: Cross multiply
    112,214.56x = 154,855.76 × 61,913.60
  4. Step 4: Simplify right side
    112,214.56x = 9,587,677,582.34
  5. Step 5: Solve for x
    x = 9,587,677,582.34/112,214.56
  6. Step 6: Final answer
    x = 85,440.58

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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.