Home / 102,762.34-141,811.97-60,320.87

Finding the Fourth Proportional to 102,762.34, 141,811.97 and 60,320.87

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Solution

The fourth proportional to 102,762.34, 141,811.97 and 60,320.87 is: 83,242.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,762.34 : 141,811.97 = 60,320.87 : x
  2. Step 2: Convert to fraction form
    102,762.34/141,811.97 = 60,320.87/x
  3. Step 3: Cross multiply
    102,762.34x = 141,811.97 × 60,320.87
  4. Step 4: Simplify right side
    102,762.34x = 8,554,220,848.56
  5. Step 5: Solve for x
    x = 8,554,220,848.56/102,762.34
  6. Step 6: Final answer
    x = 83,242.76

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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.