Home / 103,631.45-155,447.18-95,466.65

Finding the Fourth Proportional to 103,631.45, 155,447.18 and 95,466.65

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Solution

The fourth proportional to 103,631.45, 155,447.18 and 95,466.65 is: 143,199.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631.45 : 155,447.18 = 95,466.65 : x
  2. Step 2: Convert to fraction form
    103,631.45/155,447.18 = 95,466.65/x
  3. Step 3: Cross multiply
    103,631.45x = 155,447.18 × 95,466.65
  4. Step 4: Simplify right side
    103,631.45x = 14,840,021,526.55
  5. Step 5: Solve for x
    x = 14,840,021,526.55/103,631.45
  6. Step 6: Final answer
    x = 143,199.98

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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.