Home / 208,118.03-287,203.59-112,624.70

Finding the Fourth Proportional to 208,118.03, 287,203.59 and 112,624.70

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Solution

The fourth proportional to 208,118.03, 287,203.59 and 112,624.70 is: 155,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,118.03 : 287,203.59 = 112,624.70 : x
  2. Step 2: Convert to fraction form
    208,118.03/287,203.59 = 112,624.70/x
  3. Step 3: Cross multiply
    208,118.03x = 287,203.59 × 112,624.70
  4. Step 4: Simplify right side
    208,118.03x = 32,346,216,726.66
  5. Step 5: Solve for x
    x = 32,346,216,726.66/208,118.03
  6. Step 6: Final answer
    x = 155,422.47

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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.