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Finding the Fourth Proportional to 141,014.68, 211,416.81 and 84,841.63

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Solution

The fourth proportional to 141,014.68, 211,416.81 and 84,841.63 is: 127,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,014.68 : 211,416.81 = 84,841.63 : x
  2. Step 2: Convert to fraction form
    141,014.68/211,416.81 = 84,841.63/x
  3. Step 3: Cross multiply
    141,014.68x = 211,416.81 × 84,841.63
  4. Step 4: Simplify right side
    141,014.68x = 17,936,946,769.80
  5. Step 5: Solve for x
    x = 17,936,946,769.80/141,014.68
  6. Step 6: Final answer
    x = 127,199.15

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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.