Home / 280,840.37-421,173.07-93,808.13

Finding the Fourth Proportional to 280,840.37, 421,173.07 and 93,808.13

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Solution

The fourth proportional to 280,840.37, 421,173.07 and 93,808.13 is: 140,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,840.37 : 421,173.07 = 93,808.13 : x
  2. Step 2: Convert to fraction form
    280,840.37/421,173.07 = 93,808.13/x
  3. Step 3: Cross multiply
    280,840.37x = 421,173.07 × 93,808.13
  4. Step 4: Simplify right side
    280,840.37x = 39,509,455,762.67
  5. Step 5: Solve for x
    x = 39,509,455,762.67/280,840.37
  6. Step 6: Final answer
    x = 140,682.97

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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.