Home / 208,134.48-287,225.46-117,491.23

Finding the Fourth Proportional to 208,134.48, 287,225.46 and 117,491.23

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Solution

The fourth proportional to 208,134.48, 287,225.46 and 117,491.23 is: 162,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,134.48 : 287,225.46 = 117,491.23 : x
  2. Step 2: Convert to fraction form
    208,134.48/287,225.46 = 117,491.23/x
  3. Step 3: Cross multiply
    208,134.48x = 287,225.46 × 117,491.23
  4. Step 4: Simplify right side
    208,134.48x = 33,746,471,146.59
  5. Step 5: Solve for x
    x = 33,746,471,146.59/208,134.48
  6. Step 6: Final answer
    x = 162,137.82

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1.5x scale

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.