Home / 104,655.06-144,426.72-56,911.20

Finding the Fourth Proportional to 104,655.06, 144,426.72 and 56,911.20

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Solution

The fourth proportional to 104,655.06, 144,426.72 and 56,911.20 is: 78,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,655.06 : 144,426.72 = 56,911.20 : x
  2. Step 2: Convert to fraction form
    104,655.06/144,426.72 = 56,911.20/x
  3. Step 3: Cross multiply
    104,655.06x = 144,426.72 × 56,911.20
  4. Step 4: Simplify right side
    104,655.06x = 8,219,497,947.26
  5. Step 5: Solve for x
    x = 8,219,497,947.26/104,655.06
  6. Step 6: Final answer
    x = 78,538.94

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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.