Home / 79,686.14-118,946.18-70,227.92

Finding the Fourth Proportional to 79,686.14, 118,946.18 and 70,227.92

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Solution

The fourth proportional to 79,686.14, 118,946.18 and 70,227.92 is: 104,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,686.14 : 118,946.18 = 70,227.92 : x
  2. Step 2: Convert to fraction form
    79,686.14/118,946.18 = 70,227.92/x
  3. Step 3: Cross multiply
    79,686.14x = 118,946.18 × 70,227.92
  4. Step 4: Simplify right side
    79,686.14x = 8,353,342,394.18
  5. Step 5: Solve for x
    x = 8,353,342,394.18/79,686.14
  6. Step 6: Final answer
    x = 104,828.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.