Home / 112,303.40-168,309.42-45,665.96

Finding the Fourth Proportional to 112,303.40, 168,309.42 and 45,665.96

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Solution

The fourth proportional to 112,303.40, 168,309.42 and 45,665.96 is: 68,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,303.40 : 168,309.42 = 45,665.96 : x
  2. Step 2: Convert to fraction form
    112,303.40/168,309.42 = 45,665.96/x
  3. Step 3: Cross multiply
    112,303.40x = 168,309.42 × 45,665.96
  4. Step 4: Simplify right side
    112,303.40x = 7,686,011,241.34
  5. Step 5: Solve for x
    x = 7,686,011,241.34/112,303.40
  6. Step 6: Final answer
    x = 68,439.70

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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.