Home / 210,826.17-290,955.90-120,184.29

Finding the Fourth Proportional to 210,826.17, 290,955.90 and 120,184.29

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Solution

The fourth proportional to 210,826.17, 290,955.90 and 120,184.29 is: 165,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,826.17 : 290,955.90 = 120,184.29 : x
  2. Step 2: Convert to fraction form
    210,826.17/290,955.90 = 120,184.29/x
  3. Step 3: Cross multiply
    210,826.17x = 290,955.90 × 120,184.29
  4. Step 4: Simplify right side
    210,826.17x = 34,968,328,262.81
  5. Step 5: Solve for x
    x = 34,968,328,262.81/210,826.17
  6. Step 6: Final answer
    x = 165,863.32

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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.