Home / 119,328.60-178,992.09-40,498.32

Finding the Fourth Proportional to 119,328.60, 178,992.09 and 40,498.32

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Solution

The fourth proportional to 119,328.60, 178,992.09 and 40,498.32 is: 60,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,328.60 : 178,992.09 = 40,498.32 : x
  2. Step 2: Convert to fraction form
    119,328.60/178,992.09 = 40,498.32/x
  3. Step 3: Cross multiply
    119,328.60x = 178,992.09 × 40,498.32
  4. Step 4: Simplify right side
    119,328.60x = 7,248,878,938.29
  5. Step 5: Solve for x
    x = 7,248,878,938.29/119,328.60
  6. Step 6: Final answer
    x = 60,747.21

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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.