Home / 208,170.02-287,276.73-112,678.76

Finding the Fourth Proportional to 208,170.02, 287,276.73 and 112,678.76

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Solution

The fourth proportional to 208,170.02, 287,276.73 and 112,678.76 is: 155,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,170.02 : 287,276.73 = 112,678.76 : x
  2. Step 2: Convert to fraction form
    208,170.02/287,276.73 = 112,678.76/x
  3. Step 3: Cross multiply
    208,170.02x = 287,276.73 × 112,678.76
  4. Step 4: Simplify right side
    208,170.02x = 32,369,985,713.25
  5. Step 5: Solve for x
    x = 32,369,985,713.25/208,170.02
  6. Step 6: Final answer
    x = 155,497.83

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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.