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Finding the Fourth Proportional to 104,360.90, 144,014.13 and 56,613.21

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Solution

The fourth proportional to 104,360.90, 144,014.13 and 56,613.21 is: 78,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,360.90 : 144,014.13 = 56,613.21 : x
  2. Step 2: Convert to fraction form
    104,360.90/144,014.13 = 56,613.21/x
  3. Step 3: Cross multiply
    104,360.90x = 144,014.13 × 56,613.21
  4. Step 4: Simplify right side
    104,360.90x = 8,153,102,184.66
  5. Step 5: Solve for x
    x = 8,153,102,184.66/104,360.90
  6. Step 6: Final answer
    x = 78,124.11

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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.