Home / 76,202.76-105,160.12-42,210.50

Finding the Fourth Proportional to 76,202.76, 105,160.12 and 42,210.50

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Solution

The fourth proportional to 76,202.76, 105,160.12 and 42,210.50 is: 58,250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,202.76 : 105,160.12 = 42,210.50 : x
  2. Step 2: Convert to fraction form
    76,202.76/105,160.12 = 42,210.50/x
  3. Step 3: Cross multiply
    76,202.76x = 105,160.12 × 42,210.50
  4. Step 4: Simplify right side
    76,202.76x = 4,438,861,245.26
  5. Step 5: Solve for x
    x = 4,438,861,245.26/76,202.76
  6. Step 6: Final answer
    x = 58,250.66

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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.