Home / 64,136.10-96,204.15-43,140.90

Finding the Fourth Proportional to 64,136.10, 96,204.15 and 43,140.90

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Solution

The fourth proportional to 64,136.10, 96,204.15 and 43,140.90 is: 64,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,136.10 : 96,204.15 = 43,140.90 : x
  2. Step 2: Convert to fraction form
    64,136.10/96,204.15 = 43,140.90/x
  3. Step 3: Cross multiply
    64,136.10x = 96,204.15 × 43,140.90
  4. Step 4: Simplify right side
    64,136.10x = 4,150,333,614.74
  5. Step 5: Solve for x
    x = 4,150,333,614.74/64,136.10
  6. Step 6: Final answer
    x = 64,711.35

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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.