Home / 153,922.40-212,376.84-93,491.36

Finding the Fourth Proportional to 153,922.40, 212,376.84 and 93,491.36

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Solution

The fourth proportional to 153,922.40, 212,376.84 and 93,491.36 is: 128,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,922.40 : 212,376.84 = 93,491.36 : x
  2. Step 2: Convert to fraction form
    153,922.40/212,376.84 = 93,491.36/x
  3. Step 3: Cross multiply
    153,922.40x = 212,376.84 × 93,491.36
  4. Step 4: Simplify right side
    153,922.40x = 19,855,399,604.10
  5. Step 5: Solve for x
    x = 19,855,399,604.10/153,922.40
  6. Step 6: Final answer
    x = 128,996.17

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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.