Home / 157,252.58-217,011.15-89,271.56

Finding the Fourth Proportional to 157,252.58, 217,011.15 and 89,271.56

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Solution

The fourth proportional to 157,252.58, 217,011.15 and 89,271.56 is: 123,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,252.58 : 217,011.15 = 89,271.56 : x
  2. Step 2: Convert to fraction form
    157,252.58/217,011.15 = 89,271.56/x
  3. Step 3: Cross multiply
    157,252.58x = 217,011.15 × 89,271.56
  4. Step 4: Simplify right side
    157,252.58x = 19,372,924,440.42
  5. Step 5: Solve for x
    x = 19,372,924,440.42/157,252.58
  6. Step 6: Final answer
    x = 123,196.22

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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.