Home / 104,170.59-143,755.43-56,423.79

Finding the Fourth Proportional to 104,170.59, 143,755.43 and 56,423.79

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Solution

The fourth proportional to 104,170.59, 143,755.43 and 56,423.79 is: 77,864.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,170.59 : 143,755.43 = 56,423.79 : x
  2. Step 2: Convert to fraction form
    104,170.59/143,755.43 = 56,423.79/x
  3. Step 3: Cross multiply
    104,170.59x = 143,755.43 × 56,423.79
  4. Step 4: Simplify right side
    104,170.59x = 8,111,225,911.56
  5. Step 5: Solve for x
    x = 8,111,225,911.56/104,170.59
  6. Step 6: Final answer
    x = 77,864.84

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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.