Home / 145,537.97-200,776.02-105,187.82

Finding the Fourth Proportional to 145,537.97, 200,776.02 and 105,187.82

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Solution

The fourth proportional to 145,537.97, 200,776.02 and 105,187.82 is: 145,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,537.97 : 200,776.02 = 105,187.82 : x
  2. Step 2: Convert to fraction form
    145,537.97/200,776.02 = 105,187.82/x
  3. Step 3: Cross multiply
    145,537.97x = 200,776.02 × 105,187.82
  4. Step 4: Simplify right side
    145,537.97x = 21,119,190,453.74
  5. Step 5: Solve for x
    x = 21,119,190,453.74/145,537.97
  6. Step 6: Final answer
    x = 145,111.21

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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.