Home / 208,501.06-287,732.92-113,009.36

Finding the Fourth Proportional to 208,501.06, 287,732.92 and 113,009.36

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Solution

The fourth proportional to 208,501.06, 287,732.92 and 113,009.36 is: 155,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,501.06 : 287,732.92 = 113,009.36 : x
  2. Step 2: Convert to fraction form
    208,501.06/287,732.92 = 113,009.36/x
  3. Step 3: Cross multiply
    208,501.06x = 287,732.92 × 113,009.36
  4. Step 4: Simplify right side
    208,501.06x = 32,516,513,140.13
  5. Step 5: Solve for x
    x = 32,516,513,140.13/208,501.06
  6. Step 6: Final answer
    x = 155,953.71

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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.