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Finding the Fourth Proportional to 163,447.98, 245,186.08 and 45,119.34

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Solution

The fourth proportional to 163,447.98, 245,186.08 and 45,119.34 is: 67,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,447.98 : 245,186.08 = 45,119.34 : x
  2. Step 2: Convert to fraction form
    163,447.98/245,186.08 = 45,119.34/x
  3. Step 3: Cross multiply
    163,447.98x = 245,186.08 × 45,119.34
  4. Step 4: Simplify right side
    163,447.98x = 11,062,634,106.79
  5. Step 5: Solve for x
    x = 11,062,634,106.79/163,447.98
  6. Step 6: Final answer
    x = 67,682.91

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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.