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Finding the Fourth Proportional to 119,485.82, 179,176.14 and 63,312.98

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Solution

The fourth proportional to 119,485.82, 179,176.14 and 63,312.98 is: 94,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,485.82 : 179,176.14 = 63,312.98 : x
  2. Step 2: Convert to fraction form
    119,485.82/179,176.14 = 63,312.98/x
  3. Step 3: Cross multiply
    119,485.82x = 179,176.14 × 63,312.98
  4. Step 4: Simplify right side
    119,485.82x = 11,344,175,368.30
  5. Step 5: Solve for x
    x = 11,344,175,368.30/119,485.82
  6. Step 6: Final answer
    x = 94,941.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.