Home / 208,167.02-287,272.62-112,675.76

Finding the Fourth Proportional to 208,167.02, 287,272.62 and 112,675.76

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Solution

The fourth proportional to 208,167.02, 287,272.62 and 112,675.76 is: 155,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,167.02 : 287,272.62 = 112,675.76 : x
  2. Step 2: Convert to fraction form
    208,167.02/287,272.62 = 112,675.76/x
  3. Step 3: Cross multiply
    208,167.02x = 287,272.62 × 112,675.76
  4. Step 4: Simplify right side
    208,167.02x = 32,368,660,785.69
  5. Step 5: Solve for x
    x = 32,368,660,785.69/208,167.02
  6. Step 6: Final answer
    x = 155,493.70

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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.