Home / 144,634.65-199,572.05-90,881.60

Finding the Fourth Proportional to 144,634.65, 199,572.05 and 90,881.60

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Solution

The fourth proportional to 144,634.65, 199,572.05 and 90,881.60 is: 125,401.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,634.65 : 199,572.05 = 90,881.60 : x
  2. Step 2: Convert to fraction form
    144,634.65/199,572.05 = 90,881.60/x
  3. Step 3: Cross multiply
    144,634.65x = 199,572.05 × 90,881.60
  4. Step 4: Simplify right side
    144,634.65x = 18,137,426,448.62
  5. Step 5: Solve for x
    x = 18,137,426,448.62/144,634.65
  6. Step 6: Final answer
    x = 125,401.67

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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.