Home / 208,097.24-287,173.74-112,603.90

Finding the Fourth Proportional to 208,097.24, 287,173.74 and 112,603.90

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Solution

The fourth proportional to 208,097.24, 287,173.74 and 112,603.90 is: 155,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,097.24 : 287,173.74 = 112,603.90 : x
  2. Step 2: Convert to fraction form
    208,097.24/287,173.74 = 112,603.90/x
  3. Step 3: Cross multiply
    208,097.24x = 287,173.74 × 112,603.90
  4. Step 4: Simplify right side
    208,097.24x = 32,336,883,101.59
  5. Step 5: Solve for x
    x = 32,336,883,101.59/208,097.24
  6. Step 6: Final answer
    x = 155,393.14

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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.