Home / 112,501.80-168,752.70-106,378.20

Finding the Fourth Proportional to 112,501.80, 168,752.70 and 106,378.20

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Solution

The fourth proportional to 112,501.80, 168,752.70 and 106,378.20 is: 159,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,501.80 : 168,752.70 = 106,378.20 : x
  2. Step 2: Convert to fraction form
    112,501.80/168,752.70 = 106,378.20/x
  3. Step 3: Cross multiply
    112,501.80x = 168,752.70 × 106,378.20
  4. Step 4: Simplify right side
    112,501.80x = 17,951,608,471.14
  5. Step 5: Solve for x
    x = 17,951,608,471.14/112,501.80
  6. Step 6: Final answer
    x = 159,567.30

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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.