Home / 139,995.96-193,190.22-76,335

Finding the Fourth Proportional to 139,995.96, 193,190.22 and 76,335

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Solution

The fourth proportional to 139,995.96, 193,190.22 and 76,335 is: 105,340.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,995.96 : 193,190.22 = 76,335 : x
  2. Step 2: Convert to fraction form
    139,995.96/193,190.22 = 76,335/x
  3. Step 3: Cross multiply
    139,995.96x = 193,190.22 × 76,335
  4. Step 4: Simplify right side
    139,995.96x = 14,747,175,443.70
  5. Step 5: Solve for x
    x = 14,747,175,443.70/139,995.96
  6. Step 6: Final answer
    x = 105,340.01

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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.