Home / 103,040.80-142,056.69-88,094.02

Finding the Fourth Proportional to 103,040.80, 142,056.69 and 88,094.02

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Solution

The fourth proportional to 103,040.80, 142,056.69 and 88,094.02 is: 121,450.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,040.80 : 142,056.69 = 88,094.02 : x
  2. Step 2: Convert to fraction form
    103,040.80/142,056.69 = 88,094.02/x
  3. Step 3: Cross multiply
    103,040.80x = 142,056.69 × 88,094.02
  4. Step 4: Simplify right side
    103,040.80x = 12,514,344,889.99
  5. Step 5: Solve for x
    x = 12,514,344,889.99/103,040.80
  6. Step 6: Final answer
    x = 121,450.39

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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.