Home / 145,704.04-201,077.77-81,173.24

Finding the Fourth Proportional to 145,704.04, 201,077.77 and 81,173.24

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Solution

The fourth proportional to 145,704.04, 201,077.77 and 81,173.24 is: 112,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,704.04 : 201,077.77 = 81,173.24 : x
  2. Step 2: Convert to fraction form
    145,704.04/201,077.77 = 81,173.24/x
  3. Step 3: Cross multiply
    145,704.04x = 201,077.77 × 81,173.24
  4. Step 4: Simplify right side
    145,704.04x = 16,322,133,077.49
  5. Step 5: Solve for x
    x = 16,322,133,077.49/145,704.04
  6. Step 6: Final answer
    x = 112,022.52

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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.