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Finding the Fourth Proportional to 145,612.71, 201,007.53 and 97,893.75

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Solution

The fourth proportional to 145,612.71, 201,007.53 and 97,893.75 is: 135,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,612.71 : 201,007.53 = 97,893.75 : x
  2. Step 2: Convert to fraction form
    145,612.71/201,007.53 = 97,893.75/x
  3. Step 3: Cross multiply
    145,612.71x = 201,007.53 × 97,893.75
  4. Step 4: Simplify right side
    145,612.71x = 19,677,380,889.94
  5. Step 5: Solve for x
    x = 19,677,380,889.94/145,612.71
  6. Step 6: Final answer
    x = 135,135.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.