Home / 78,885.29-118,298.75-22,706.43

Finding the Fourth Proportional to 78,885.29, 118,298.75 and 22,706.43

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Solution

The fourth proportional to 78,885.29, 118,298.75 and 22,706.43 is: 34,051.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,885.29 : 118,298.75 = 22,706.43 : x
  2. Step 2: Convert to fraction form
    78,885.29/118,298.75 = 22,706.43/x
  3. Step 3: Cross multiply
    78,885.29x = 118,298.75 × 22,706.43
  4. Step 4: Simplify right side
    78,885.29x = 2,686,142,172.43
  5. Step 5: Solve for x
    x = 2,686,142,172.43/78,885.29
  6. Step 6: Final answer
    x = 34,051.25

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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.