Home / 313,140.21-432,136.26-169,903.10

Finding the Fourth Proportional to 313,140.21, 432,136.26 and 169,903.10

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Solution

The fourth proportional to 313,140.21, 432,136.26 and 169,903.10 is: 234,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,140.21 : 432,136.26 = 169,903.10 : x
  2. Step 2: Convert to fraction form
    313,140.21/432,136.26 = 169,903.10/x
  3. Step 3: Cross multiply
    313,140.21x = 432,136.26 × 169,903.10
  4. Step 4: Simplify right side
    313,140.21x = 73,421,288,035.72
  5. Step 5: Solve for x
    x = 73,421,288,035.72/313,140.21
  6. Step 6: Final answer
    x = 234,467.77

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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.