Home / 78,946.41-118,427.49-22,787.88

Finding the Fourth Proportional to 78,946.41, 118,427.49 and 22,787.88

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Solution

The fourth proportional to 78,946.41, 118,427.49 and 22,787.88 is: 34,184.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,946.41 : 118,427.49 = 22,787.88 : x
  2. Step 2: Convert to fraction form
    78,946.41/118,427.49 = 22,787.88/x
  3. Step 3: Cross multiply
    78,946.41x = 118,427.49 × 22,787.88
  4. Step 4: Simplify right side
    78,946.41x = 2,698,711,430.82
  5. Step 5: Solve for x
    x = 2,698,711,430.82/78,946.41
  6. Step 6: Final answer
    x = 34,184.09

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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.