Home / 208,429.06-287,637.46-127,901.08

Finding the Fourth Proportional to 208,429.06, 287,637.46 and 127,901.08

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Solution

The fourth proportional to 208,429.06, 287,637.46 and 127,901.08 is: 176,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,429.06 : 287,637.46 = 127,901.08 : x
  2. Step 2: Convert to fraction form
    208,429.06/287,637.46 = 127,901.08/x
  3. Step 3: Cross multiply
    208,429.06x = 287,637.46 × 127,901.08
  4. Step 4: Simplify right side
    208,429.06x = 36,789,141,782.46
  5. Step 5: Solve for x
    x = 36,789,141,782.46/208,429.06
  6. Step 6: Final answer
    x = 176,506.78

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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.