Home / 145,158.86-217,751.98-56,419.16

Finding the Fourth Proportional to 145,158.86, 217,751.98 and 56,419.16

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Solution

The fourth proportional to 145,158.86, 217,751.98 and 56,419.16 is: 84,634.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,158.86 : 217,751.98 = 56,419.16 : x
  2. Step 2: Convert to fraction form
    145,158.86/217,751.98 = 56,419.16/x
  3. Step 3: Cross multiply
    145,158.86x = 217,751.98 × 56,419.16
  4. Step 4: Simplify right side
    145,158.86x = 12,285,383,799.94
  5. Step 5: Solve for x
    x = 12,285,383,799.94/145,158.86
  6. Step 6: Final answer
    x = 84,634.06

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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.