Home / 96,895.40-145,343.10-91,711.40

Finding the Fourth Proportional to 96,895.40, 145,343.10 and 91,711.40

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Solution

The fourth proportional to 96,895.40, 145,343.10 and 91,711.40 is: 137,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,895.40 : 145,343.10 = 91,711.40 : x
  2. Step 2: Convert to fraction form
    96,895.40/145,343.10 = 91,711.40/x
  3. Step 3: Cross multiply
    96,895.40x = 145,343.10 × 91,711.40
  4. Step 4: Simplify right side
    96,895.40x = 13,329,619,181.34
  5. Step 5: Solve for x
    x = 13,329,619,181.34/96,895.40
  6. Step 6: Final answer
    x = 137,567.10

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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.