Home / 210,210.30-290,096.62-119,579.40

Finding the Fourth Proportional to 210,210.30, 290,096.62 and 119,579.40

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Solution

The fourth proportional to 210,210.30, 290,096.62 and 119,579.40 is: 165,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,210.30 : 290,096.62 = 119,579.40 : x
  2. Step 2: Convert to fraction form
    210,210.30/290,096.62 = 119,579.40/x
  3. Step 3: Cross multiply
    210,210.30x = 290,096.62 × 119,579.40
  4. Step 4: Simplify right side
    210,210.30x = 34,689,579,761.63
  5. Step 5: Solve for x
    x = 34,689,579,761.63/210,210.30
  6. Step 6: Final answer
    x = 165,023.22

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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.