Home / 239,788.92-330,916.74-130,899.72

Finding the Fourth Proportional to 239,788.92, 330,916.74 and 130,899.72

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Solution

The fourth proportional to 239,788.92, 330,916.74 and 130,899.72 is: 180,646.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,788.92 : 330,916.74 = 130,899.72 : x
  2. Step 2: Convert to fraction form
    239,788.92/330,916.74 = 130,899.72/x
  3. Step 3: Cross multiply
    239,788.92x = 330,916.74 × 130,899.72
  4. Step 4: Simplify right side
    239,788.92x = 43,316,908,609.31
  5. Step 5: Solve for x
    x = 43,316,908,609.31/239,788.92
  6. Step 6: Final answer
    x = 180,646.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.