Home / 131,398.08-197,075.52-37,878.72

Finding the Fourth Proportional to 131,398.08, 197,075.52 and 37,878.72

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Solution

The fourth proportional to 131,398.08, 197,075.52 and 37,878.72 is: 56,811.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,398.08 : 197,075.52 = 37,878.72 : x
  2. Step 2: Convert to fraction form
    131,398.08/197,075.52 = 37,878.72/x
  3. Step 3: Cross multiply
    131,398.08x = 197,075.52 × 37,878.72
  4. Step 4: Simplify right side
    131,398.08x = 7,464,968,440.93
  5. Step 5: Solve for x
    x = 7,464,968,440.93/131,398.08
  6. Step 6: Final answer
    x = 56,811.85

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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.