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Finding the Fourth Proportional to 103,614.60, 155,421.90 and 95,741.40

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Solution

The fourth proportional to 103,614.60, 155,421.90 and 95,741.40 is: 143,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,614.60 : 155,421.90 = 95,741.40 : x
  2. Step 2: Convert to fraction form
    103,614.60/155,421.90 = 95,741.40/x
  3. Step 3: Cross multiply
    103,614.60x = 155,421.90 × 95,741.40
  4. Step 4: Simplify right side
    103,614.60x = 14,880,310,296.66
  5. Step 5: Solve for x
    x = 14,880,310,296.66/103,614.60
  6. Step 6: Final answer
    x = 143,612.10

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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.