Home / 104,051.49-143,591.44-56,304.84

Finding the Fourth Proportional to 104,051.49, 143,591.44 and 56,304.84

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Solution

The fourth proportional to 104,051.49, 143,591.44 and 56,304.84 is: 77,700.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,051.49 : 143,591.44 = 56,304.84 : x
  2. Step 2: Convert to fraction form
    104,051.49/143,591.44 = 56,304.84/x
  3. Step 3: Cross multiply
    104,051.49x = 143,591.44 × 56,304.84
  4. Step 4: Simplify right side
    104,051.49x = 8,084,892,913.81
  5. Step 5: Solve for x
    x = 8,084,892,913.81/104,051.49
  6. Step 6: Final answer
    x = 77,700.89

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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.