Home / 145,267.14-200,446.83-81,592.74

Finding the Fourth Proportional to 145,267.14, 200,446.83 and 81,592.74

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Solution

The fourth proportional to 145,267.14, 200,446.83 and 81,592.74 is: 112,585.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,267.14 : 200,446.83 = 81,592.74 : x
  2. Step 2: Convert to fraction form
    145,267.14/200,446.83 = 81,592.74/x
  3. Step 3: Cross multiply
    145,267.14x = 200,446.83 × 81,592.74
  4. Step 4: Simplify right side
    145,267.14x = 16,355,006,084.01
  5. Step 5: Solve for x
    x = 16,355,006,084.01/145,267.14
  6. Step 6: Final answer
    x = 112,585.72

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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.