Home / 313,140.96-432,137.30-169,903.85

Finding the Fourth Proportional to 313,140.96, 432,137.30 and 169,903.85

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Solution

The fourth proportional to 313,140.96, 432,137.30 and 169,903.85 is: 234,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,140.96 : 432,137.30 = 169,903.85 : x
  2. Step 2: Convert to fraction form
    313,140.96/432,137.30 = 169,903.85/x
  3. Step 3: Cross multiply
    313,140.96x = 432,137.30 × 169,903.85
  4. Step 4: Simplify right side
    313,140.96x = 73,421,787,988.40
  5. Step 5: Solve for x
    x = 73,421,787,988.40/313,140.96
  6. Step 6: Final answer
    x = 234,468.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.