Home / 91,448.72-126,204.14-51,160.08

Finding the Fourth Proportional to 91,448.72, 126,204.14 and 51,160.08

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Solution

The fourth proportional to 91,448.72, 126,204.14 and 51,160.08 is: 70,603.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,448.72 : 126,204.14 = 51,160.08 : x
  2. Step 2: Convert to fraction form
    91,448.72/126,204.14 = 51,160.08/x
  3. Step 3: Cross multiply
    91,448.72x = 126,204.14 × 51,160.08
  4. Step 4: Simplify right side
    91,448.72x = 6,456,613,929.12
  5. Step 5: Solve for x
    x = 6,456,613,929.12/91,448.72
  6. Step 6: Final answer
    x = 70,603.65

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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.