Home / 208,206.14-287,325.09-112,712.60

Finding the Fourth Proportional to 208,206.14, 287,325.09 and 112,712.60

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Solution

The fourth proportional to 208,206.14, 287,325.09 and 112,712.60 is: 155,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,206.14 : 287,325.09 = 112,712.60 : x
  2. Step 2: Convert to fraction form
    208,206.14/287,325.09 = 112,712.60/x
  3. Step 3: Cross multiply
    208,206.14x = 287,325.09 × 112,712.60
  4. Step 4: Simplify right side
    208,206.14x = 32,385,158,657.45
  5. Step 5: Solve for x
    x = 32,385,158,657.45/208,206.14
  6. Step 6: Final answer
    x = 155,543.73

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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.