Home / 97,140.93-134,056.72-54,123.27

Finding the Fourth Proportional to 97,140.93, 134,056.72 and 54,123.27

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Solution

The fourth proportional to 97,140.93, 134,056.72 and 54,123.27 is: 74,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,140.93 : 134,056.72 = 54,123.27 : x
  2. Step 2: Convert to fraction form
    97,140.93/134,056.72 = 54,123.27/x
  3. Step 3: Cross multiply
    97,140.93x = 134,056.72 × 54,123.27
  4. Step 4: Simplify right side
    97,140.93x = 7,255,588,051.87
  5. Step 5: Solve for x
    x = 7,255,588,051.87/97,140.93
  6. Step 6: Final answer
    x = 74,691.36

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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.