Home / 152,136.64-228,304.32-69,031.36

Finding the Fourth Proportional to 152,136.64, 228,304.32 and 69,031.36

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Solution

The fourth proportional to 152,136.64, 228,304.32 and 69,031.36 is: 103,592.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,136.64 : 228,304.32 = 69,031.36 : x
  2. Step 2: Convert to fraction form
    152,136.64/228,304.32 = 69,031.36/x
  3. Step 3: Cross multiply
    152,136.64x = 228,304.32 × 69,031.36
  4. Step 4: Simplify right side
    152,136.64x = 15,760,157,703.48
  5. Step 5: Solve for x
    x = 15,760,157,703.48/152,136.64
  6. Step 6: Final answer
    x = 103,592.12

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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.