Home / 207,895.08-286,893.90-112,400.76

Finding the Fourth Proportional to 207,895.08, 286,893.90 and 112,400.76

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Solution

The fourth proportional to 207,895.08, 286,893.90 and 112,400.76 is: 155,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,895.08 : 286,893.90 = 112,400.76 : x
  2. Step 2: Convert to fraction form
    207,895.08/286,893.90 = 112,400.76/x
  3. Step 3: Cross multiply
    207,895.08x = 286,893.90 × 112,400.76
  4. Step 4: Simplify right side
    207,895.08x = 32,247,092,399.36
  5. Step 5: Solve for x
    x = 32,247,092,399.36/207,895.08
  6. Step 6: Final answer
    x = 155,112.34

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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.