Home / 145,226.39-200,411.15-81,562.82

Finding the Fourth Proportional to 145,226.39, 200,411.15 and 81,562.82

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Solution

The fourth proportional to 145,226.39, 200,411.15 and 81,562.82 is: 112,555.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,226.39 : 200,411.15 = 81,562.82 : x
  2. Step 2: Convert to fraction form
    145,226.39/200,411.15 = 81,562.82/x
  3. Step 3: Cross multiply
    145,226.39x = 200,411.15 × 81,562.82
  4. Step 4: Simplify right side
    145,226.39x = 16,346,097,143.57
  5. Step 5: Solve for x
    x = 16,346,097,143.57/145,226.39
  6. Step 6: Final answer
    x = 112,555.97

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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.