Home / 76,201.84-105,156.16-42,208.96

Finding the Fourth Proportional to 76,201.84, 105,156.16 and 42,208.96

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Solution

The fourth proportional to 76,201.84, 105,156.16 and 42,208.96 is: 58,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,201.84 : 105,156.16 = 42,208.96 : x
  2. Step 2: Convert to fraction form
    76,201.84/105,156.16 = 42,208.96/x
  3. Step 3: Cross multiply
    76,201.84x = 105,156.16 × 42,208.96
  4. Step 4: Simplify right side
    76,201.84x = 4,438,532,151.19
  5. Step 5: Solve for x
    x = 4,438,532,151.19/76,201.84
  6. Step 6: Final answer
    x = 58,247.05

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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.