Home / 104,077.40-143,626.72-56,330.64

Finding the Fourth Proportional to 104,077.40, 143,626.72 and 56,330.64

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Solution

The fourth proportional to 104,077.40, 143,626.72 and 56,330.64 is: 77,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,077.40 : 143,626.72 = 56,330.64 : x
  2. Step 2: Convert to fraction form
    104,077.40/143,626.72 = 56,330.64/x
  3. Step 3: Cross multiply
    104,077.40x = 143,626.72 × 56,330.64
  4. Step 4: Simplify right side
    104,077.40x = 8,090,585,058.70
  5. Step 5: Solve for x
    x = 8,090,585,058.70/104,077.40
  6. Step 6: Final answer
    x = 77,736.23

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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.