Home / 207,119.10-285,826.02-115,239.72

Finding the Fourth Proportional to 207,119.10, 285,826.02 and 115,239.72

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Solution

The fourth proportional to 207,119.10, 285,826.02 and 115,239.72 is: 159,031.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,119.10 : 285,826.02 = 115,239.72 : x
  2. Step 2: Convert to fraction form
    207,119.10/285,826.02 = 115,239.72/x
  3. Step 3: Cross multiply
    207,119.10x = 285,826.02 × 115,239.72
  4. Step 4: Simplify right side
    207,119.10x = 32,938,510,513.51
  5. Step 5: Solve for x
    x = 32,938,510,513.51/207,119.10
  6. Step 6: Final answer
    x = 159,031.74

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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.