Home / 246,602.22-340,312.23-139,176.78

Finding the Fourth Proportional to 246,602.22, 340,312.23 and 139,176.78

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Solution

The fourth proportional to 246,602.22, 340,312.23 and 139,176.78 is: 192,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,602.22 : 340,312.23 = 139,176.78 : x
  2. Step 2: Convert to fraction form
    246,602.22/340,312.23 = 139,176.78/x
  3. Step 3: Cross multiply
    246,602.22x = 340,312.23 × 139,176.78
  4. Step 4: Simplify right side
    246,602.22x = 47,363,560,366.02
  5. Step 5: Solve for x
    x = 47,363,560,366.02/246,602.22
  6. Step 6: Final answer
    x = 192,064.61

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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.