Home / 122,316.05-183,474.08-82,457.98

Finding the Fourth Proportional to 122,316.05, 183,474.08 and 82,457.98

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Solution

The fourth proportional to 122,316.05, 183,474.08 and 82,457.98 is: 123,686.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,316.05 : 183,474.08 = 82,457.98 : x
  2. Step 2: Convert to fraction form
    122,316.05/183,474.08 = 82,457.98/x
  3. Step 3: Cross multiply
    122,316.05x = 183,474.08 × 82,457.98
  4. Step 4: Simplify right side
    122,316.05x = 15,128,900,689.50
  5. Step 5: Solve for x
    x = 15,128,900,689.50/122,316.05
  6. Step 6: Final answer
    x = 123,686.96

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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.