Home / 104,184.49-143,774.97-56,437.72

Finding the Fourth Proportional to 104,184.49, 143,774.97 and 56,437.72

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Solution

The fourth proportional to 104,184.49, 143,774.97 and 56,437.72 is: 77,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,184.49 : 143,774.97 = 56,437.72 : x
  2. Step 2: Convert to fraction form
    104,184.49/143,774.97 = 56,437.72/x
  3. Step 3: Cross multiply
    104,184.49x = 143,774.97 × 56,437.72
  4. Step 4: Simplify right side
    104,184.49x = 8,114,331,499.87
  5. Step 5: Solve for x
    x = 8,114,331,499.87/104,184.49
  6. Step 6: Final answer
    x = 77,884.26

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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.