Home / 131,718.90-197,436.65-56,874.29

Finding the Fourth Proportional to 131,718.90, 197,436.65 and 56,874.29

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Solution

The fourth proportional to 131,718.90, 197,436.65 and 56,874.29 is: 85,250.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,718.90 : 197,436.65 = 56,874.29 : x
  2. Step 2: Convert to fraction form
    131,718.90/197,436.65 = 56,874.29/x
  3. Step 3: Cross multiply
    131,718.90x = 197,436.65 × 56,874.29
  4. Step 4: Simplify right side
    131,718.90x = 11,229,069,924.51
  5. Step 5: Solve for x
    x = 11,229,069,924.51/131,718.90
  6. Step 6: Final answer
    x = 85,250.26

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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.