Home / 208,037.03-287,090.46-112,543.70

Finding the Fourth Proportional to 208,037.03, 287,090.46 and 112,543.70

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Solution

The fourth proportional to 208,037.03, 287,090.46 and 112,543.70 is: 155,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,037.03 : 287,090.46 = 112,543.70 : x
  2. Step 2: Convert to fraction form
    208,037.03/287,090.46 = 112,543.70/x
  3. Step 3: Cross multiply
    208,037.03x = 287,090.46 × 112,543.70
  4. Step 4: Simplify right side
    208,037.03x = 32,310,221,167.65
  5. Step 5: Solve for x
    x = 32,310,221,167.65/208,037.03
  6. Step 6: Final answer
    x = 155,309.96

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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.