Home / 222,975.07-307,705.80-127,483.76

Finding the Fourth Proportional to 222,975.07, 307,705.80 and 127,483.76

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Solution

The fourth proportional to 222,975.07, 307,705.80 and 127,483.76 is: 175,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,975.07 : 307,705.80 = 127,483.76 : x
  2. Step 2: Convert to fraction form
    222,975.07/307,705.80 = 127,483.76/x
  3. Step 3: Cross multiply
    222,975.07x = 307,705.80 × 127,483.76
  4. Step 4: Simplify right side
    222,975.07x = 39,227,492,357.81
  5. Step 5: Solve for x
    x = 39,227,492,357.81/222,975.07
  6. Step 6: Final answer
    x = 175,927.71

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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.