Home / 189,415.85-284,074.63-56,265.89

Finding the Fourth Proportional to 189,415.85, 284,074.63 and 56,265.89

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Solution

The fourth proportional to 189,415.85, 284,074.63 and 56,265.89 is: 84,384.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,415.85 : 284,074.63 = 56,265.89 : x
  2. Step 2: Convert to fraction form
    189,415.85/284,074.63 = 56,265.89/x
  3. Step 3: Cross multiply
    189,415.85x = 284,074.63 × 56,265.89
  4. Step 4: Simplify right side
    189,415.85x = 15,983,710,322.33
  5. Step 5: Solve for x
    x = 15,983,710,322.33/189,415.85
  6. Step 6: Final answer
    x = 84,384.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.