Home / 154,750.48-213,564.47-86,764.16

Finding the Fourth Proportional to 154,750.48, 213,564.47 and 86,764.16

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Solution

The fourth proportional to 154,750.48, 213,564.47 and 86,764.16 is: 119,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,750.48 : 213,564.47 = 86,764.16 : x
  2. Step 2: Convert to fraction form
    154,750.48/213,564.47 = 86,764.16/x
  3. Step 3: Cross multiply
    154,750.48x = 213,564.47 × 86,764.16
  4. Step 4: Simplify right side
    154,750.48x = 18,529,742,596.22
  5. Step 5: Solve for x
    x = 18,529,742,596.22/154,750.48
  6. Step 6: Final answer
    x = 119,739.49

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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.