Home / 208,340.25-287,510.16-112,846.95

Finding the Fourth Proportional to 208,340.25, 287,510.16 and 112,846.95

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Solution

The fourth proportional to 208,340.25, 287,510.16 and 112,846.95 is: 155,729.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,340.25 : 287,510.16 = 112,846.95 : x
  2. Step 2: Convert to fraction form
    208,340.25/287,510.16 = 112,846.95/x
  3. Step 3: Cross multiply
    208,340.25x = 287,510.16 × 112,846.95
  4. Step 4: Simplify right side
    208,340.25x = 32,444,643,629.80
  5. Step 5: Solve for x
    x = 32,444,643,629.80/208,340.25
  6. Step 6: Final answer
    x = 155,729.12

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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.