Home / 113,384.20-170,141.10-43,313.80

Finding the Fourth Proportional to 113,384.20, 170,141.10 and 43,313.80

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Solution

The fourth proportional to 113,384.20, 170,141.10 and 43,313.80 is: 64,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,384.20 : 170,141.10 = 43,313.80 : x
  2. Step 2: Convert to fraction form
    113,384.20/170,141.10 = 43,313.80/x
  3. Step 3: Cross multiply
    113,384.20x = 170,141.10 × 43,313.80
  4. Step 4: Simplify right side
    113,384.20x = 7,369,457,577.18
  5. Step 5: Solve for x
    x = 7,369,457,577.18/113,384.20
  6. Step 6: Final answer
    x = 64,995.45

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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.