Home / 102,848.40-141,915.78-60,420.60

Finding the Fourth Proportional to 102,848.40, 141,915.78 and 60,420.60

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Solution

The fourth proportional to 102,848.40, 141,915.78 and 60,420.60 is: 83,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,848.40 : 141,915.78 = 60,420.60 : x
  2. Step 2: Convert to fraction form
    102,848.40/141,915.78 = 60,420.60/x
  3. Step 3: Cross multiply
    102,848.40x = 141,915.78 × 60,420.60
  4. Step 4: Simplify right side
    102,848.40x = 8,574,636,577.07
  5. Step 5: Solve for x
    x = 8,574,636,577.07/102,848.40
  6. Step 6: Final answer
    x = 83,371.61

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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.