Home / 145,013.98-217,495.04-92,266.78

Finding the Fourth Proportional to 145,013.98, 217,495.04 and 92,266.78

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Solution

The fourth proportional to 145,013.98, 217,495.04 and 92,266.78 is: 138,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,013.98 : 217,495.04 = 92,266.78 : x
  2. Step 2: Convert to fraction form
    145,013.98/217,495.04 = 92,266.78/x
  3. Step 3: Cross multiply
    145,013.98x = 217,495.04 × 92,266.78
  4. Step 4: Simplify right side
    145,013.98x = 20,067,567,006.77
  5. Step 5: Solve for x
    x = 20,067,567,006.77/145,013.98
  6. Step 6: Final answer
    x = 138,383.67

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1.5x scale

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.