Home / 97,536.61-146,334.41-69,128.50

Finding the Fourth Proportional to 97,536.61, 146,334.41 and 69,128.50

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Solution

The fourth proportional to 97,536.61, 146,334.41 and 69,128.50 is: 103,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,536.61 : 146,334.41 = 69,128.50 : x
  2. Step 2: Convert to fraction form
    97,536.61/146,334.41 = 69,128.50/x
  3. Step 3: Cross multiply
    97,536.61x = 146,334.41 × 69,128.50
  4. Step 4: Simplify right side
    97,536.61x = 10,115,877,916.04
  5. Step 5: Solve for x
    x = 10,115,877,916.04/97,536.61
  6. Step 6: Final answer
    x = 103,713.65

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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.