Home / 153,979.08-212,373.04-92,661.37

Finding the Fourth Proportional to 153,979.08, 212,373.04 and 92,661.37

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Solution

The fourth proportional to 153,979.08, 212,373.04 and 92,661.37 is: 127,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,979.08 : 212,373.04 = 92,661.37 : x
  2. Step 2: Convert to fraction form
    153,979.08/212,373.04 = 92,661.37/x
  3. Step 3: Cross multiply
    153,979.08x = 212,373.04 × 92,661.37
  4. Step 4: Simplify right side
    153,979.08x = 19,678,776,248.62
  5. Step 5: Solve for x
    x = 19,678,776,248.62/153,979.08
  6. Step 6: Final answer
    x = 127,801.63

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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.