Home / 208,118.07-287,203.66-112,624.74

Finding the Fourth Proportional to 208,118.07, 287,203.66 and 112,624.74

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Solution

The fourth proportional to 208,118.07, 287,203.66 and 112,624.74 is: 155,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,118.07 : 287,203.66 = 112,624.74 : x
  2. Step 2: Convert to fraction form
    208,118.07/287,203.66 = 112,624.74/x
  3. Step 3: Cross multiply
    208,118.07x = 287,203.66 × 112,624.74
  4. Step 4: Simplify right side
    208,118.07x = 32,346,237,534.55
  5. Step 5: Solve for x
    x = 32,346,237,534.55/208,118.07
  6. Step 6: Final answer
    x = 155,422.53

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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.