Home / 97,281.90-134,247.22-54,840.46

Finding the Fourth Proportional to 97,281.90, 134,247.22 and 54,840.46

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Solution

The fourth proportional to 97,281.90, 134,247.22 and 54,840.46 is: 75,678.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,281.90 : 134,247.22 = 54,840.46 : x
  2. Step 2: Convert to fraction form
    97,281.90/134,247.22 = 54,840.46/x
  3. Step 3: Cross multiply
    97,281.90x = 134,247.22 × 54,840.46
  4. Step 4: Simplify right side
    97,281.90x = 7,362,179,298.52
  5. Step 5: Solve for x
    x = 7,362,179,298.52/97,281.90
  6. Step 6: Final answer
    x = 75,678.82

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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.