Home / 122,289.80-183,434.70-105,887.30

Finding the Fourth Proportional to 122,289.80, 183,434.70 and 105,887.30

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Solution

The fourth proportional to 122,289.80, 183,434.70 and 105,887.30 is: 158,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,289.80 : 183,434.70 = 105,887.30 : x
  2. Step 2: Convert to fraction form
    122,289.80/183,434.70 = 105,887.30/x
  3. Step 3: Cross multiply
    122,289.80x = 183,434.70 × 105,887.30
  4. Step 4: Simplify right side
    122,289.80x = 19,423,405,109.31
  5. Step 5: Solve for x
    x = 19,423,405,109.31/122,289.80
  6. Step 6: Final answer
    x = 158,830.95

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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.