Home / 104,117.40-143,681.85-56,370.74

Finding the Fourth Proportional to 104,117.40, 143,681.85 and 56,370.74

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Solution

The fourth proportional to 104,117.40, 143,681.85 and 56,370.74 is: 77,791.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,117.40 : 143,681.85 = 56,370.74 : x
  2. Step 2: Convert to fraction form
    104,117.40/143,681.85 = 56,370.74/x
  3. Step 3: Cross multiply
    104,117.40x = 143,681.85 × 56,370.74
  4. Step 4: Simplify right side
    104,117.40x = 8,099,451,490.66
  5. Step 5: Solve for x
    x = 8,099,451,490.66/104,117.40
  6. Step 6: Final answer
    x = 77,791.53

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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.