Home / 110,875.80-166,313.70-109,126.20

Finding the Fourth Proportional to 110,875.80, 166,313.70 and 109,126.20

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Solution

The fourth proportional to 110,875.80, 166,313.70 and 109,126.20 is: 163,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,875.80 : 166,313.70 = 109,126.20 : x
  2. Step 2: Convert to fraction form
    110,875.80/166,313.70 = 109,126.20/x
  3. Step 3: Cross multiply
    110,875.80x = 166,313.70 × 109,126.20
  4. Step 4: Simplify right side
    110,875.80x = 18,149,182,088.94
  5. Step 5: Solve for x
    x = 18,149,182,088.94/110,875.80
  6. Step 6: Final answer
    x = 163,689.30

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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.