Home / 131,625.09-197,437.48-42,878.45

Finding the Fourth Proportional to 131,625.09, 197,437.48 and 42,878.45

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Solution

The fourth proportional to 131,625.09, 197,437.48 and 42,878.45 is: 64,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,625.09 : 197,437.48 = 42,878.45 : x
  2. Step 2: Convert to fraction form
    131,625.09/197,437.48 = 42,878.45/x
  3. Step 3: Cross multiply
    131,625.09x = 197,437.48 × 42,878.45
  4. Step 4: Simplify right side
    131,625.09x = 8,465,813,114.31
  5. Step 5: Solve for x
    x = 8,465,813,114.31/131,625.09
  6. Step 6: Final answer
    x = 64,317.62

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1.5x scale

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.