Home / 102,208.40-141,045.36-59,189.60

Finding the Fourth Proportional to 102,208.40, 141,045.36 and 59,189.60

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Solution

The fourth proportional to 102,208.40, 141,045.36 and 59,189.60 is: 81,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,208.40 : 141,045.36 = 59,189.60 : x
  2. Step 2: Convert to fraction form
    102,208.40/141,045.36 = 59,189.60/x
  3. Step 3: Cross multiply
    102,208.40x = 141,045.36 × 59,189.60
  4. Step 4: Simplify right side
    102,208.40x = 8,348,418,440.26
  5. Step 5: Solve for x
    x = 8,348,418,440.26/102,208.40
  6. Step 6: Final answer
    x = 81,680.36

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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.