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Finding the Fourth Proportional to 97,496.12, 134,543.56 and 55,053.56

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Solution

The fourth proportional to 97,496.12, 134,543.56 and 55,053.56 is: 75,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,496.12 : 134,543.56 = 55,053.56 : x
  2. Step 2: Convert to fraction form
    97,496.12/134,543.56 = 55,053.56/x
  3. Step 3: Cross multiply
    97,496.12x = 134,543.56 × 55,053.56
  4. Step 4: Simplify right side
    97,496.12x = 7,407,101,953.07
  5. Step 5: Solve for x
    x = 7,407,101,953.07/97,496.12
  6. Step 6: Final answer
    x = 75,973.30

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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.