Home / 105,347.46-145,392.87-60,041.73

Finding the Fourth Proportional to 105,347.46, 145,392.87 and 60,041.73

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Solution

The fourth proportional to 105,347.46, 145,392.87 and 60,041.73 is: 82,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,347.46 : 145,392.87 = 60,041.73 : x
  2. Step 2: Convert to fraction form
    105,347.46/145,392.87 = 60,041.73/x
  3. Step 3: Cross multiply
    105,347.46x = 145,392.87 × 60,041.73
  4. Step 4: Simplify right side
    105,347.46x = 8,729,639,444.47
  5. Step 5: Solve for x
    x = 8,729,639,444.47/105,347.46
  6. Step 6: Final answer
    x = 82,865.21

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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.