Home / 97,142.16-134,063.04-54,124.48

Finding the Fourth Proportional to 97,142.16, 134,063.04 and 54,124.48

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Solution

The fourth proportional to 97,142.16, 134,063.04 and 54,124.48 is: 74,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,142.16 : 134,063.04 = 54,124.48 : x
  2. Step 2: Convert to fraction form
    97,142.16/134,063.04 = 54,124.48/x
  3. Step 3: Cross multiply
    97,142.16x = 134,063.04 × 54,124.48
  4. Step 4: Simplify right side
    97,142.16x = 7,256,092,327.22
  5. Step 5: Solve for x
    x = 7,256,092,327.22/97,142.16
  6. Step 6: Final answer
    x = 74,695.60

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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.