Home / 145,272.14-200,453.73-81,597.74

Finding the Fourth Proportional to 145,272.14, 200,453.73 and 81,597.74

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Solution

The fourth proportional to 145,272.14, 200,453.73 and 81,597.74 is: 112,592.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,272.14 : 200,453.73 = 81,597.74 : x
  2. Step 2: Convert to fraction form
    145,272.14/200,453.73 = 81,597.74/x
  3. Step 3: Cross multiply
    145,272.14x = 200,453.73 × 81,597.74
  4. Step 4: Simplify right side
    145,272.14x = 16,356,571,342.57
  5. Step 5: Solve for x
    x = 16,356,571,342.57/145,272.14
  6. Step 6: Final answer
    x = 112,592.62

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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.