Home / 104,260.64-143,880.23-56,513.57

Finding the Fourth Proportional to 104,260.64, 143,880.23 and 56,513.57

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Solution

The fourth proportional to 104,260.64, 143,880.23 and 56,513.57 is: 77,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,260.64 : 143,880.23 = 56,513.57 : x
  2. Step 2: Convert to fraction form
    104,260.64/143,880.23 = 56,513.57/x
  3. Step 3: Cross multiply
    104,260.64x = 143,880.23 × 56,513.57
  4. Step 4: Simplify right side
    104,260.64x = 8,131,184,871.60
  5. Step 5: Solve for x
    x = 8,131,184,871.60/104,260.64
  6. Step 6: Final answer
    x = 77,989.02

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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.