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Finding the Fourth Proportional to 144,746.60, 199,750.77 and 80,216.90

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Solution

The fourth proportional to 144,746.60, 199,750.77 and 80,216.90 is: 110,699.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,746.60 : 199,750.77 = 80,216.90 : x
  2. Step 2: Convert to fraction form
    144,746.60/199,750.77 = 80,216.90/x
  3. Step 3: Cross multiply
    144,746.60x = 199,750.77 × 80,216.90
  4. Step 4: Simplify right side
    144,746.60x = 16,023,386,543.26
  5. Step 5: Solve for x
    x = 16,023,386,543.26/144,746.60
  6. Step 6: Final answer
    x = 110,699.57

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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.