Home / 145,271.64-200,453.04-81,597.24

Finding the Fourth Proportional to 145,271.64, 200,453.04 and 81,597.24

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Solution

The fourth proportional to 145,271.64, 200,453.04 and 81,597.24 is: 112,591.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,271.64 : 200,453.04 = 81,597.24 : x
  2. Step 2: Convert to fraction form
    145,271.64/200,453.04 = 81,597.24/x
  3. Step 3: Cross multiply
    145,271.64x = 200,453.04 × 81,597.24
  4. Step 4: Simplify right side
    145,271.64x = 16,356,414,813.61
  5. Step 5: Solve for x
    x = 16,356,414,813.61/145,271.64
  6. Step 6: Final answer
    x = 112,591.93

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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.