Home / 207,605.32-286,495.33-112,112.01

Finding the Fourth Proportional to 207,605.32, 286,495.33 and 112,112.01

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Solution

The fourth proportional to 207,605.32, 286,495.33 and 112,112.01 is: 154,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,605.32 : 286,495.33 = 112,112.01 : x
  2. Step 2: Convert to fraction form
    207,605.32/286,495.33 = 112,112.01/x
  3. Step 3: Cross multiply
    207,605.32x = 286,495.33 × 112,112.01
  4. Step 4: Simplify right side
    207,605.32x = 32,119,567,301.91
  5. Step 5: Solve for x
    x = 32,119,567,301.91/207,605.32
  6. Step 6: Final answer
    x = 154,714.57

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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.