Home / 119,030.58-178,618.77-47,940.12

Finding the Fourth Proportional to 119,030.58, 178,618.77 and 47,940.12

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Solution

The fourth proportional to 119,030.58, 178,618.77 and 47,940.12 is: 71,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,030.58 : 178,618.77 = 47,940.12 : x
  2. Step 2: Convert to fraction form
    119,030.58/178,618.77 = 47,940.12/x
  3. Step 3: Cross multiply
    119,030.58x = 178,618.77 × 47,940.12
  4. Step 4: Simplify right side
    119,030.58x = 8,563,005,268.05
  5. Step 5: Solve for x
    x = 8,563,005,268.05/119,030.58
  6. Step 6: Final answer
    x = 71,939.54

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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.