Home / 118,746.36-163,885.14-68,445.72

Finding the Fourth Proportional to 118,746.36, 163,885.14 and 68,445.72

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Solution

The fourth proportional to 118,746.36, 163,885.14 and 68,445.72 is: 94,463.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,746.36 : 163,885.14 = 68,445.72 : x
  2. Step 2: Convert to fraction form
    118,746.36/163,885.14 = 68,445.72/x
  3. Step 3: Cross multiply
    118,746.36x = 163,885.14 × 68,445.72
  4. Step 4: Simplify right side
    118,746.36x = 11,217,236,404.60
  5. Step 5: Solve for x
    x = 11,217,236,404.60/118,746.36
  6. Step 6: Final answer
    x = 94,463.83

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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.