Home / 131,630.10-197,387.55-52,718.10

Finding the Fourth Proportional to 131,630.10, 197,387.55 and 52,718.10

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Solution

The fourth proportional to 131,630.10, 197,387.55 and 52,718.10 is: 79,054.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,630.10 : 197,387.55 = 52,718.10 : x
  2. Step 2: Convert to fraction form
    131,630.10/197,387.55 = 52,718.10/x
  3. Step 3: Cross multiply
    131,630.10x = 197,387.55 × 52,718.10
  4. Step 4: Simplify right side
    131,630.10x = 10,405,896,599.66
  5. Step 5: Solve for x
    x = 10,405,896,599.66/131,630.10
  6. Step 6: Final answer
    x = 79,054.08

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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.