Home / 145,702.37-201,066.22-81,171.52

Finding the Fourth Proportional to 145,702.37, 201,066.22 and 81,171.52

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Solution

The fourth proportional to 145,702.37, 201,066.22 and 81,171.52 is: 112,015.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,702.37 : 201,066.22 = 81,171.52 : x
  2. Step 2: Convert to fraction form
    145,702.37/201,066.22 = 81,171.52/x
  3. Step 3: Cross multiply
    145,702.37x = 201,066.22 × 81,171.52
  4. Step 4: Simplify right side
    145,702.37x = 16,320,851,373.40
  5. Step 5: Solve for x
    x = 16,320,851,373.40/145,702.37
  6. Step 6: Final answer
    x = 112,015.00

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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.