Home / 104,464.64-144,162.24-56,718.38

Finding the Fourth Proportional to 104,464.64, 144,162.24 and 56,718.38

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Solution

The fourth proportional to 104,464.64, 144,162.24 and 56,718.38 is: 78,271.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,464.64 : 144,162.24 = 56,718.38 : x
  2. Step 2: Convert to fraction form
    104,464.64/144,162.24 = 56,718.38/x
  3. Step 3: Cross multiply
    104,464.64x = 144,162.24 × 56,718.38
  4. Step 4: Simplify right side
    104,464.64x = 8,176,648,709.97
  5. Step 5: Solve for x
    x = 8,176,648,709.97/104,464.64
  6. Step 6: Final answer
    x = 78,271.93

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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.