Home / 104,264.32-143,880.89-56,516.64

Finding the Fourth Proportional to 104,264.32, 143,880.89 and 56,516.64

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Solution

The fourth proportional to 104,264.32, 143,880.89 and 56,516.64 is: 77,990.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,264.32 : 143,880.89 = 56,516.64 : x
  2. Step 2: Convert to fraction form
    104,264.32/143,880.89 = 56,516.64/x
  3. Step 3: Cross multiply
    104,264.32x = 143,880.89 × 56,516.64
  4. Step 4: Simplify right side
    104,264.32x = 8,131,664,463.01
  5. Step 5: Solve for x
    x = 8,131,664,463.01/104,264.32
  6. Step 6: Final answer
    x = 77,990.86

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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.