Home / 208,339.64-287,509.18-112,846.04

Finding the Fourth Proportional to 208,339.64, 287,509.18 and 112,846.04

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Solution

The fourth proportional to 208,339.64, 287,509.18 and 112,846.04 is: 155,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,339.64 : 287,509.18 = 112,846.04 : x
  2. Step 2: Convert to fraction form
    208,339.64/287,509.18 = 112,846.04/x
  3. Step 3: Cross multiply
    208,339.64x = 287,509.18 × 112,846.04
  4. Step 4: Simplify right side
    208,339.64x = 32,444,272,426.65
  5. Step 5: Solve for x
    x = 32,444,272,426.65/208,339.64
  6. Step 6: Final answer
    x = 155,727.79

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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.