Home / 104,615.36-144,366.16-56,867.48

Finding the Fourth Proportional to 104,615.36, 144,366.16 and 56,867.48

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Solution

The fourth proportional to 104,615.36, 144,366.16 and 56,867.48 is: 78,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,615.36 : 144,366.16 = 56,867.48 : x
  2. Step 2: Convert to fraction form
    104,615.36/144,366.16 = 56,867.48/x
  3. Step 3: Cross multiply
    104,615.36x = 144,366.16 × 56,867.48
  4. Step 4: Simplify right side
    104,615.36x = 8,209,739,716.48
  5. Step 5: Solve for x
    x = 8,209,739,716.48/104,615.36
  6. Step 6: Final answer
    x = 78,475.47

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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.