Home / 208,152.04-287,249.80-112,658.74

Finding the Fourth Proportional to 208,152.04, 287,249.80 and 112,658.74

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Solution

The fourth proportional to 208,152.04, 287,249.80 and 112,658.74 is: 155,469.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,152.04 : 287,249.80 = 112,658.74 : x
  2. Step 2: Convert to fraction form
    208,152.04/287,249.80 = 112,658.74/x
  3. Step 3: Cross multiply
    208,152.04x = 287,249.80 × 112,658.74
  4. Step 4: Simplify right side
    208,152.04x = 32,361,200,533.25
  5. Step 5: Solve for x
    x = 32,361,200,533.25/208,152.04
  6. Step 6: Final answer
    x = 155,469.05

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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.