Home / 153,046.36-211,331.40-127,685.68

Finding the Fourth Proportional to 153,046.36, 211,331.40 and 127,685.68

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Solution

The fourth proportional to 153,046.36, 211,331.40 and 127,685.68 is: 176,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,046.36 : 211,331.40 = 127,685.68 : x
  2. Step 2: Convert to fraction form
    153,046.36/211,331.40 = 127,685.68/x
  3. Step 3: Cross multiply
    153,046.36x = 211,331.40 × 127,685.68
  4. Step 4: Simplify right side
    153,046.36x = 26,983,993,514.35
  5. Step 5: Solve for x
    x = 26,983,993,514.35/153,046.36
  6. Step 6: Final answer
    x = 176,312.55

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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.