Home / 103,187.88-142,400.84-60,166.20

Finding the Fourth Proportional to 103,187.88, 142,400.84 and 60,166.20

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Solution

The fourth proportional to 103,187.88, 142,400.84 and 60,166.20 is: 83,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,187.88 : 142,400.84 = 60,166.20 : x
  2. Step 2: Convert to fraction form
    103,187.88/142,400.84 = 60,166.20/x
  3. Step 3: Cross multiply
    103,187.88x = 142,400.84 × 60,166.20
  4. Step 4: Simplify right side
    103,187.88x = 8,567,717,118.78
  5. Step 5: Solve for x
    x = 8,567,717,118.78/103,187.88
  6. Step 6: Final answer
    x = 83,030.27

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1.5x scale

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.