Home / 105,270.15-145,281.09-59,950.05

Finding the Fourth Proportional to 105,270.15, 145,281.09 and 59,950.05

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Solution

The fourth proportional to 105,270.15, 145,281.09 and 59,950.05 is: 82,735.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,270.15 : 145,281.09 = 59,950.05 : x
  2. Step 2: Convert to fraction form
    105,270.15/145,281.09 = 59,950.05/x
  3. Step 3: Cross multiply
    105,270.15x = 145,281.09 × 59,950.05
  4. Step 4: Simplify right side
    105,270.15x = 8,709,608,609.55
  5. Step 5: Solve for x
    x = 8,709,608,609.55/105,270.15
  6. Step 6: Final answer
    x = 82,735.79

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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.