Home / 97,181.53-134,064.69-56,870.58

Finding the Fourth Proportional to 97,181.53, 134,064.69 and 56,870.58

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Solution

The fourth proportional to 97,181.53, 134,064.69 and 56,870.58 is: 78,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,181.53 : 134,064.69 = 56,870.58 : x
  2. Step 2: Convert to fraction form
    97,181.53/134,064.69 = 56,870.58/x
  3. Step 3: Cross multiply
    97,181.53x = 134,064.69 × 56,870.58
  4. Step 4: Simplify right side
    97,181.53x = 7,624,336,677.82
  5. Step 5: Solve for x
    x = 7,624,336,677.82/97,181.53
  6. Step 6: Final answer
    x = 78,454.59

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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.