Home / 104,207.80-143,805.64-56,458.32

Finding the Fourth Proportional to 104,207.80, 143,805.64 and 56,458.32

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Solution

The fourth proportional to 104,207.80, 143,805.64 and 56,458.32 is: 77,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,207.80 : 143,805.64 = 56,458.32 : x
  2. Step 2: Convert to fraction form
    104,207.80/143,805.64 = 56,458.32/x
  3. Step 3: Cross multiply
    104,207.80x = 143,805.64 × 56,458.32
  4. Step 4: Simplify right side
    104,207.80x = 8,119,024,840.92
  5. Step 5: Solve for x
    x = 8,119,024,840.92/104,207.80
  6. Step 6: Final answer
    x = 77,911.87

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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.