Home / 207,807.02-286,773.75-112,313.72

Finding the Fourth Proportional to 207,807.02, 286,773.75 and 112,313.72

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Solution

The fourth proportional to 207,807.02, 286,773.75 and 112,313.72 is: 154,992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,807.02 : 286,773.75 = 112,313.72 : x
  2. Step 2: Convert to fraction form
    207,807.02/286,773.75 = 112,313.72/x
  3. Step 3: Cross multiply
    207,807.02x = 286,773.75 × 112,313.72
  4. Step 4: Simplify right side
    207,807.02x = 32,208,626,660.85
  5. Step 5: Solve for x
    x = 32,208,626,660.85/207,807.02
  6. Step 6: Final answer
    x = 154,992.97

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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.