Home / 103,012.98-142,145.90-60,001.89

Finding the Fourth Proportional to 103,012.98, 142,145.90 and 60,001.89

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Solution

The fourth proportional to 103,012.98, 142,145.90 and 60,001.89 is: 82,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,012.98 : 142,145.90 = 60,001.89 : x
  2. Step 2: Convert to fraction form
    103,012.98/142,145.90 = 60,001.89/x
  3. Step 3: Cross multiply
    103,012.98x = 142,145.90 × 60,001.89
  4. Step 4: Simplify right side
    103,012.98x = 8,529,022,355.74
  5. Step 5: Solve for x
    x = 8,529,022,355.74/103,012.98
  6. Step 6: Final answer
    x = 82,795.61

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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.