Home / 152,645.90-227,857-141,389.62

Finding the Fourth Proportional to 152,645.90, 227,857 and 141,389.62

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Solution

The fourth proportional to 152,645.90, 227,857 and 141,389.62 is: 211,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,645.90 : 227,857 = 141,389.62 : x
  2. Step 2: Convert to fraction form
    152,645.90/227,857 = 141,389.62/x
  3. Step 3: Cross multiply
    152,645.90x = 227,857 × 141,389.62
  4. Step 4: Simplify right side
    152,645.90x = 32,216,614,644.34
  5. Step 5: Solve for x
    x = 32,216,614,644.34/152,645.90
  6. Step 6: Final answer
    x = 211,054.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.