Home / 208,252.19-287,386.71-112,758.59

Finding the Fourth Proportional to 208,252.19, 287,386.71 and 112,758.59

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Solution

The fourth proportional to 208,252.19, 287,386.71 and 112,758.59 is: 155,606.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,252.19 : 287,386.71 = 112,758.59 : x
  2. Step 2: Convert to fraction form
    208,252.19/287,386.71 = 112,758.59/x
  3. Step 3: Cross multiply
    208,252.19x = 287,386.71 × 112,758.59
  4. Step 4: Simplify right side
    208,252.19x = 32,405,320,204.34
  5. Step 5: Solve for x
    x = 32,405,320,204.34/208,252.19
  6. Step 6: Final answer
    x = 155,606.14

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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.