Home / 145,617.48-200,918.79-81,932.04

Finding the Fourth Proportional to 145,617.48, 200,918.79 and 81,932.04

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Solution

The fourth proportional to 145,617.48, 200,918.79 and 81,932.04 is: 113,047.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,617.48 : 200,918.79 = 81,932.04 : x
  2. Step 2: Convert to fraction form
    145,617.48/200,918.79 = 81,932.04/x
  3. Step 3: Cross multiply
    145,617.48x = 200,918.79 × 81,932.04
  4. Step 4: Simplify right side
    145,617.48x = 16,461,686,339.03
  5. Step 5: Solve for x
    x = 16,461,686,339.03/145,617.48
  6. Step 6: Final answer
    x = 113,047.46

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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.