Home / 104,342.19-143,992.43-56,595.74

Finding the Fourth Proportional to 104,342.19, 143,992.43 and 56,595.74

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Solution

The fourth proportional to 104,342.19, 143,992.43 and 56,595.74 is: 78,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,342.19 : 143,992.43 = 56,595.74 : x
  2. Step 2: Convert to fraction form
    104,342.19/143,992.43 = 56,595.74/x
  3. Step 3: Cross multiply
    104,342.19x = 143,992.43 × 56,595.74
  4. Step 4: Simplify right side
    104,342.19x = 8,149,357,127.31
  5. Step 5: Solve for x
    x = 8,149,357,127.31/104,342.19
  6. Step 6: Final answer
    x = 78,102.22

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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.