Home / 208,121.24-287,208.18-112,627.93

Finding the Fourth Proportional to 208,121.24, 287,208.18 and 112,627.93

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Solution

The fourth proportional to 208,121.24, 287,208.18 and 112,627.93 is: 155,427.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,121.24 : 287,208.18 = 112,627.93 : x
  2. Step 2: Convert to fraction form
    208,121.24/287,208.18 = 112,627.93/x
  3. Step 3: Cross multiply
    208,121.24x = 287,208.18 × 112,627.93
  4. Step 4: Simplify right side
    208,121.24x = 32,347,662,074.45
  5. Step 5: Solve for x
    x = 32,347,662,074.45/208,121.24
  6. Step 6: Final answer
    x = 155,427.01

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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.