Home / 145,537.28-200,775.07-105,187.13

Finding the Fourth Proportional to 145,537.28, 200,775.07 and 105,187.13

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Solution

The fourth proportional to 145,537.28, 200,775.07 and 105,187.13 is: 145,110.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,537.28 : 200,775.07 = 105,187.13 : x
  2. Step 2: Convert to fraction form
    145,537.28/200,775.07 = 105,187.13/x
  3. Step 3: Cross multiply
    145,537.28x = 200,775.07 × 105,187.13
  4. Step 4: Simplify right side
    145,537.28x = 21,118,953,388.85
  5. Step 5: Solve for x
    x = 21,118,953,388.85/145,537.28
  6. Step 6: Final answer
    x = 145,110.27

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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.