Home / 103,017.45-142,106.04-59,991.87

Finding the Fourth Proportional to 103,017.45, 142,106.04 and 59,991.87

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Solution

The fourth proportional to 103,017.45, 142,106.04 and 59,991.87 is: 82,754.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,017.45 : 142,106.04 = 59,991.87 : x
  2. Step 2: Convert to fraction form
    103,017.45/142,106.04 = 59,991.87/x
  3. Step 3: Cross multiply
    103,017.45x = 142,106.04 × 59,991.87
  4. Step 4: Simplify right side
    103,017.45x = 8,525,207,610.79
  5. Step 5: Solve for x
    x = 8,525,207,610.79/103,017.45
  6. Step 6: Final answer
    x = 82,754.98

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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.