Home / 102,700.02-154,011.15-40,336.50

Finding the Fourth Proportional to 102,700.02, 154,011.15 and 40,336.50

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Solution

The fourth proportional to 102,700.02, 154,011.15 and 40,336.50 is: 60,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,700.02 : 154,011.15 = 40,336.50 : x
  2. Step 2: Convert to fraction form
    102,700.02/154,011.15 = 40,336.50/x
  3. Step 3: Cross multiply
    102,700.02x = 154,011.15 × 40,336.50
  4. Step 4: Simplify right side
    102,700.02x = 6,212,270,751.98
  5. Step 5: Solve for x
    x = 6,212,270,751.98/102,700.02
  6. Step 6: Final answer
    x = 60,489.48

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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.