Home / 122,343.36-183,302.48-66,222.16

Finding the Fourth Proportional to 122,343.36, 183,302.48 and 66,222.16

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Solution

The fourth proportional to 122,343.36, 183,302.48 and 66,222.16 is: 99,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,343.36 : 183,302.48 = 66,222.16 : x
  2. Step 2: Convert to fraction form
    122,343.36/183,302.48 = 66,222.16/x
  3. Step 3: Cross multiply
    122,343.36x = 183,302.48 × 66,222.16
  4. Step 4: Simplify right side
    122,343.36x = 12,138,686,158.96
  5. Step 5: Solve for x
    x = 12,138,686,158.96/122,343.36
  6. Step 6: Final answer
    x = 99,218.19

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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.