Home / 208,349.42-287,521.25-112,856.34

Finding the Fourth Proportional to 208,349.42, 287,521.25 and 112,856.34

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Solution

The fourth proportional to 208,349.42, 287,521.25 and 112,856.34 is: 155,741.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,349.42 : 287,521.25 = 112,856.34 : x
  2. Step 2: Convert to fraction form
    208,349.42/287,521.25 = 112,856.34/x
  3. Step 3: Cross multiply
    208,349.42x = 287,521.25 × 112,856.34
  4. Step 4: Simplify right side
    208,349.42x = 32,448,594,843.84
  5. Step 5: Solve for x
    x = 32,448,594,843.84/208,349.42
  6. Step 6: Final answer
    x = 155,741.23

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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.