Home / 154,606.17-213,398.52-90,964.47

Finding the Fourth Proportional to 154,606.17, 213,398.52 and 90,964.47

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Solution

The fourth proportional to 154,606.17, 213,398.52 and 90,964.47 is: 125,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,606.17 : 213,398.52 = 90,964.47 : x
  2. Step 2: Convert to fraction form
    154,606.17/213,398.52 = 90,964.47/x
  3. Step 3: Cross multiply
    154,606.17x = 213,398.52 × 90,964.47
  4. Step 4: Simplify right side
    154,606.17x = 19,411,683,270.58
  5. Step 5: Solve for x
    x = 19,411,683,270.58/154,606.17
  6. Step 6: Final answer
    x = 125,555.68

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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.