Home / 122,327.76-183,416.21-42,347.12

Finding the Fourth Proportional to 122,327.76, 183,416.21 and 42,347.12

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Solution

The fourth proportional to 122,327.76, 183,416.21 and 42,347.12 is: 63,494.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,327.76 : 183,416.21 = 42,347.12 : x
  2. Step 2: Convert to fraction form
    122,327.76/183,416.21 = 42,347.12/x
  3. Step 3: Cross multiply
    122,327.76x = 183,416.21 × 42,347.12
  4. Step 4: Simplify right side
    122,327.76x = 7,767,147,126.00
  5. Step 5: Solve for x
    x = 7,767,147,126.00/122,327.76
  6. Step 6: Final answer
    x = 63,494.56

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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.