Home / 119,166.84-178,750.04-30,420.32

Finding the Fourth Proportional to 119,166.84, 178,750.04 and 30,420.32

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Solution

The fourth proportional to 119,166.84, 178,750.04 and 30,420.32 is: 45,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,166.84 : 178,750.04 = 30,420.32 : x
  2. Step 2: Convert to fraction form
    119,166.84/178,750.04 = 30,420.32/x
  3. Step 3: Cross multiply
    119,166.84x = 178,750.04 × 30,420.32
  4. Step 4: Simplify right side
    119,166.84x = 5,437,632,370.96
  5. Step 5: Solve for x
    x = 5,437,632,370.96/119,166.84
  6. Step 6: Final answer
    x = 45,630.42

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1.5x scale

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.