Home / 104,742.84-144,543.90-56,995.37

Finding the Fourth Proportional to 104,742.84, 144,543.90 and 56,995.37

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Solution

The fourth proportional to 104,742.84, 144,543.90 and 56,995.37 is: 78,652.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,742.84 : 144,543.90 = 56,995.37 : x
  2. Step 2: Convert to fraction form
    104,742.84/144,543.90 = 56,995.37/x
  3. Step 3: Cross multiply
    104,742.84x = 144,543.90 × 56,995.37
  4. Step 4: Simplify right side
    104,742.84x = 8,238,333,094.80
  5. Step 5: Solve for x
    x = 8,238,333,094.80/104,742.84
  6. Step 6: Final answer
    x = 78,652.94

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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.