Home / 107,390.33-148,150.05-69,136.16

Finding the Fourth Proportional to 107,390.33, 148,150.05 and 69,136.16

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Solution

The fourth proportional to 107,390.33, 148,150.05 and 69,136.16 is: 95,376.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,390.33 : 148,150.05 = 69,136.16 : x
  2. Step 2: Convert to fraction form
    107,390.33/148,150.05 = 69,136.16/x
  3. Step 3: Cross multiply
    107,390.33x = 148,150.05 × 69,136.16
  4. Step 4: Simplify right side
    107,390.33x = 10,242,525,560.81
  5. Step 5: Solve for x
    x = 10,242,525,560.81/107,390.33
  6. Step 6: Final answer
    x = 95,376.61

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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.