Home / 72,143.34-108,136.98-24,714.60

Finding the Fourth Proportional to 72,143.34, 108,136.98 and 24,714.60

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Solution

The fourth proportional to 72,143.34, 108,136.98 and 24,714.60 is: 37,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,143.34 : 108,136.98 = 24,714.60 : x
  2. Step 2: Convert to fraction form
    72,143.34/108,136.98 = 24,714.60/x
  3. Step 3: Cross multiply
    72,143.34x = 108,136.98 × 24,714.60
  4. Step 4: Simplify right side
    72,143.34x = 2,672,562,205.91
  5. Step 5: Solve for x
    x = 2,672,562,205.91/72,143.34
  6. Step 6: Final answer
    x = 37,045.17

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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.