Home / 119,148.90-178,764.34-74,723.64

Finding the Fourth Proportional to 119,148.90, 178,764.34 and 74,723.64

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Solution

The fourth proportional to 119,148.90, 178,764.34 and 74,723.64 is: 112,111.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,148.90 : 178,764.34 = 74,723.64 : x
  2. Step 2: Convert to fraction form
    119,148.90/178,764.34 = 74,723.64/x
  3. Step 3: Cross multiply
    119,148.90x = 178,764.34 × 74,723.64
  4. Step 4: Simplify right side
    119,148.90x = 13,357,922,187.00
  5. Step 5: Solve for x
    x = 13,357,922,187.00/119,148.90
  6. Step 6: Final answer
    x = 112,111.17

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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.