Home / 149,267.94-223,979.70-66,142.50

Finding the Fourth Proportional to 149,267.94, 223,979.70 and 66,142.50

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Solution

The fourth proportional to 149,267.94, 223,979.70 and 66,142.50 is: 99,248.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,267.94 : 223,979.70 = 66,142.50 : x
  2. Step 2: Convert to fraction form
    149,267.94/223,979.70 = 66,142.50/x
  3. Step 3: Cross multiply
    149,267.94x = 223,979.70 × 66,142.50
  4. Step 4: Simplify right side
    149,267.94x = 14,814,577,307.25
  5. Step 5: Solve for x
    x = 14,814,577,307.25/149,267.94
  6. Step 6: Final answer
    x = 99,248.22

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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.