Home / 159,031.51-238,369.48-68,970.24

Finding the Fourth Proportional to 159,031.51, 238,369.48 and 68,970.24

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Solution

The fourth proportional to 159,031.51, 238,369.48 and 68,970.24 is: 103,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,031.51 : 238,369.48 = 68,970.24 : x
  2. Step 2: Convert to fraction form
    159,031.51/238,369.48 = 68,970.24/x
  3. Step 3: Cross multiply
    159,031.51x = 238,369.48 × 68,970.24
  4. Step 4: Simplify right side
    159,031.51x = 16,440,400,244.28
  5. Step 5: Solve for x
    x = 16,440,400,244.28/159,031.51
  6. Step 6: Final answer
    x = 103,378.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.