Home / 103,924.96-143,416.55-56,178.32

Finding the Fourth Proportional to 103,924.96, 143,416.55 and 56,178.32

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Solution

The fourth proportional to 103,924.96, 143,416.55 and 56,178.32 is: 77,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,924.96 : 143,416.55 = 56,178.32 : x
  2. Step 2: Convert to fraction form
    103,924.96/143,416.55 = 56,178.32/x
  3. Step 3: Cross multiply
    103,924.96x = 143,416.55 × 56,178.32
  4. Step 4: Simplify right side
    103,924.96x = 8,056,900,262.56
  5. Step 5: Solve for x
    x = 8,056,900,262.56/103,924.96
  6. Step 6: Final answer
    x = 77,526.13

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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.