Home / 76,177.16-105,119.98-42,183.74

Finding the Fourth Proportional to 76,177.16, 105,119.98 and 42,183.74

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Solution

The fourth proportional to 76,177.16, 105,119.98 and 42,183.74 is: 58,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,177.16 : 105,119.98 = 42,183.74 : x
  2. Step 2: Convert to fraction form
    76,177.16/105,119.98 = 42,183.74/x
  3. Step 3: Cross multiply
    76,177.16x = 105,119.98 × 42,183.74
  4. Step 4: Simplify right side
    76,177.16x = 4,434,353,471.17
  5. Step 5: Solve for x
    x = 4,434,353,471.17/76,177.16
  6. Step 6: Final answer
    x = 58,211.06

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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.