Home / 97,424.04-134,455.44-57,171.60

Finding the Fourth Proportional to 97,424.04, 134,455.44 and 57,171.60

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Solution

The fourth proportional to 97,424.04, 134,455.44 and 57,171.60 is: 78,902.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,424.04 : 134,455.44 = 57,171.60 : x
  2. Step 2: Convert to fraction form
    97,424.04/134,455.44 = 57,171.60/x
  3. Step 3: Cross multiply
    97,424.04x = 134,455.44 × 57,171.60
  4. Step 4: Simplify right side
    97,424.04x = 7,687,032,633.50
  5. Step 5: Solve for x
    x = 7,687,032,633.50/97,424.04
  6. Step 6: Final answer
    x = 78,902.83

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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.