Home / 104,181.40-143,771.02-56,434.75

Finding the Fourth Proportional to 104,181.40, 143,771.02 and 56,434.75

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Solution

The fourth proportional to 104,181.40, 143,771.02 and 56,434.75 is: 77,880.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,181.40 : 143,771.02 = 56,434.75 : x
  2. Step 2: Convert to fraction form
    104,181.40/143,771.02 = 56,434.75/x
  3. Step 3: Cross multiply
    104,181.40x = 143,771.02 × 56,434.75
  4. Step 4: Simplify right side
    104,181.40x = 8,113,681,570.95
  5. Step 5: Solve for x
    x = 8,113,681,570.95/104,181.40
  6. Step 6: Final answer
    x = 77,880.33

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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.