Home / 137,029.72-205,563.55-42,267.35

Finding the Fourth Proportional to 137,029.72, 205,563.55 and 42,267.35

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Solution

The fourth proportional to 137,029.72, 205,563.55 and 42,267.35 is: 63,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,029.72 : 205,563.55 = 42,267.35 : x
  2. Step 2: Convert to fraction form
    137,029.72/205,563.55 = 42,267.35/x
  3. Step 3: Cross multiply
    137,029.72x = 205,563.55 × 42,267.35
  4. Step 4: Simplify right side
    137,029.72x = 8,688,626,303.76
  5. Step 5: Solve for x
    x = 8,688,626,303.76/137,029.72
  6. Step 6: Final answer
    x = 63,406.87

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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.