Home / 97,715.70-146,573.55-84,885.30

Finding the Fourth Proportional to 97,715.70, 146,573.55 and 84,885.30

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Solution

The fourth proportional to 97,715.70, 146,573.55 and 84,885.30 is: 127,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,715.70 : 146,573.55 = 84,885.30 : x
  2. Step 2: Convert to fraction form
    97,715.70/146,573.55 = 84,885.30/x
  3. Step 3: Cross multiply
    97,715.70x = 146,573.55 × 84,885.30
  4. Step 4: Simplify right side
    97,715.70x = 12,441,939,763.82
  5. Step 5: Solve for x
    x = 12,441,939,763.82/97,715.70
  6. Step 6: Final answer
    x = 127,327.95

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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.