Home / 152,966.40-211,096.30-84,989.58

Finding the Fourth Proportional to 152,966.40, 211,096.30 and 84,989.58

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Solution

The fourth proportional to 152,966.40, 211,096.30 and 84,989.58 is: 117,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,966.40 : 211,096.30 = 84,989.58 : x
  2. Step 2: Convert to fraction form
    152,966.40/211,096.30 = 84,989.58/x
  3. Step 3: Cross multiply
    152,966.40x = 211,096.30 × 84,989.58
  4. Step 4: Simplify right side
    152,966.40x = 17,940,985,876.55
  5. Step 5: Solve for x
    x = 17,940,985,876.55/152,966.40
  6. Step 6: Final answer
    x = 117,287.10

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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.