Home / 144,965.30-200,061.29-81,307.19

Finding the Fourth Proportional to 144,965.30, 200,061.29 and 81,307.19

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Solution

The fourth proportional to 144,965.30, 200,061.29 and 81,307.19 is: 112,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,965.30 : 200,061.29 = 81,307.19 : x
  2. Step 2: Convert to fraction form
    144,965.30/200,061.29 = 81,307.19/x
  3. Step 3: Cross multiply
    144,965.30x = 200,061.29 × 81,307.19
  4. Step 4: Simplify right side
    144,965.30x = 16,266,422,021.10
  5. Step 5: Solve for x
    x = 16,266,422,021.10/144,965.30
  6. Step 6: Final answer
    x = 112,209.08

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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.