Home / 76,201.22-105,158.53-42,210.23

Finding the Fourth Proportional to 76,201.22, 105,158.53 and 42,210.23

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Solution

The fourth proportional to 76,201.22, 105,158.53 and 42,210.23 is: 58,250.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,201.22 : 105,158.53 = 42,210.23 : x
  2. Step 2: Convert to fraction form
    76,201.22/105,158.53 = 42,210.23/x
  3. Step 3: Cross multiply
    76,201.22x = 105,158.53 × 42,210.23
  4. Step 4: Simplify right side
    76,201.22x = 4,438,765,856.25
  5. Step 5: Solve for x
    x = 4,438,765,856.25/76,201.22
  6. Step 6: Final answer
    x = 58,250.59

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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.