Home / 219,236.49-302,434.70-133,172.51

Finding the Fourth Proportional to 219,236.49, 302,434.70 and 133,172.51

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Solution

The fourth proportional to 219,236.49, 302,434.70 and 133,172.51 is: 183,710.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,236.49 : 302,434.70 = 133,172.51 : x
  2. Step 2: Convert to fraction form
    219,236.49/302,434.70 = 133,172.51/x
  3. Step 3: Cross multiply
    219,236.49x = 302,434.70 × 133,172.51
  4. Step 4: Simplify right side
    219,236.49x = 40,275,985,932.06
  5. Step 5: Solve for x
    x = 40,275,985,932.06/219,236.49
  6. Step 6: Final answer
    x = 183,710.23

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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.