Home / 208,233.31-287,362.86-112,740.00

Finding the Fourth Proportional to 208,233.31, 287,362.86 and 112,740.00

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Solution

The fourth proportional to 208,233.31, 287,362.86 and 112,740.00 is: 155,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,233.31 : 287,362.86 = 112,740.00 : x
  2. Step 2: Convert to fraction form
    208,233.31/287,362.86 = 112,740.00/x
  3. Step 3: Cross multiply
    208,233.31x = 287,362.86 × 112,740.00
  4. Step 4: Simplify right side
    208,233.31x = 32,397,289,190.24
  5. Step 5: Solve for x
    x = 32,397,289,190.24/208,233.31
  6. Step 6: Final answer
    x = 155,581.69

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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.