Home / 133,020.06-183,597.75-90,595.50

Finding the Fourth Proportional to 133,020.06, 183,597.75 and 90,595.50

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Solution

The fourth proportional to 133,020.06, 183,597.75 and 90,595.50 is: 125,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020.06 : 183,597.75 = 90,595.50 : x
  2. Step 2: Convert to fraction form
    133,020.06/183,597.75 = 90,595.50/x
  3. Step 3: Cross multiply
    133,020.06x = 183,597.75 × 90,595.50
  4. Step 4: Simplify right side
    133,020.06x = 16,633,129,960.13
  5. Step 5: Solve for x
    x = 16,633,129,960.13/133,020.06
  6. Step 6: Final answer
    x = 125,042.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.