Home / 121,097.46-181,670.49-42,190.50

Finding the Fourth Proportional to 121,097.46, 181,670.49 and 42,190.50

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Solution

The fourth proportional to 121,097.46, 181,670.49 and 42,190.50 is: 63,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,097.46 : 181,670.49 = 42,190.50 : x
  2. Step 2: Convert to fraction form
    121,097.46/181,670.49 = 42,190.50/x
  3. Step 3: Cross multiply
    121,097.46x = 181,670.49 × 42,190.50
  4. Step 4: Simplify right side
    121,097.46x = 7,664,768,808.35
  5. Step 5: Solve for x
    x = 7,664,768,808.35/121,097.46
  6. Step 6: Final answer
    x = 63,294.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.