Home / 97,181.54-134,064.68-56,870.58

Finding the Fourth Proportional to 97,181.54, 134,064.68 and 56,870.58

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Solution

The fourth proportional to 97,181.54, 134,064.68 and 56,870.58 is: 78,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,181.54 : 134,064.68 = 56,870.58 : x
  2. Step 2: Convert to fraction form
    97,181.54/134,064.68 = 56,870.58/x
  3. Step 3: Cross multiply
    97,181.54x = 134,064.68 × 56,870.58
  4. Step 4: Simplify right side
    97,181.54x = 7,624,336,109.11
  5. Step 5: Solve for x
    x = 7,624,336,109.11/97,181.54
  6. Step 6: Final answer
    x = 78,454.57

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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.