Home / 145,133.34-217,783.05-56,375.37

Finding the Fourth Proportional to 145,133.34, 217,783.05 and 56,375.37

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Solution

The fourth proportional to 145,133.34, 217,783.05 and 56,375.37 is: 84,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,133.34 : 217,783.05 = 56,375.37 : x
  2. Step 2: Convert to fraction form
    145,133.34/217,783.05 = 56,375.37/x
  3. Step 3: Cross multiply
    145,133.34x = 217,783.05 × 56,375.37
  4. Step 4: Simplify right side
    145,133.34x = 12,277,600,023.48
  5. Step 5: Solve for x
    x = 12,277,600,023.48/145,133.34
  6. Step 6: Final answer
    x = 84,595.31

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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.