Home / 178,816.69-267,870.79-122,518.45

Finding the Fourth Proportional to 178,816.69, 267,870.79 and 122,518.45

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Solution

The fourth proportional to 178,816.69, 267,870.79 and 122,518.45 is: 183,534.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,816.69 : 267,870.79 = 122,518.45 : x
  2. Step 2: Convert to fraction form
    178,816.69/267,870.79 = 122,518.45/x
  3. Step 3: Cross multiply
    178,816.69x = 267,870.79 × 122,518.45
  4. Step 4: Simplify right side
    178,816.69x = 32,819,113,991.08
  5. Step 5: Solve for x
    x = 32,819,113,991.08/178,816.69
  6. Step 6: Final answer
    x = 183,534.96

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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.