Home / 105,463.13-158,195.25-43,133.63

Finding the Fourth Proportional to 105,463.13, 158,195.25 and 43,133.63

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Solution

The fourth proportional to 105,463.13, 158,195.25 and 43,133.63 is: 64,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,463.13 : 158,195.25 = 43,133.63 : x
  2. Step 2: Convert to fraction form
    105,463.13/158,195.25 = 43,133.63/x
  3. Step 3: Cross multiply
    105,463.13x = 158,195.25 × 43,133.63
  4. Step 4: Simplify right side
    105,463.13x = 6,823,534,590.28
  5. Step 5: Solve for x
    x = 6,823,534,590.28/105,463.13
  6. Step 6: Final answer
    x = 64,700.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.