Home / 185,088.03-255,419.91-100,204.35

Finding the Fourth Proportional to 185,088.03, 255,419.91 and 100,204.35

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Solution

The fourth proportional to 185,088.03, 255,419.91 and 100,204.35 is: 138,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,088.03 : 255,419.91 = 100,204.35 : x
  2. Step 2: Convert to fraction form
    185,088.03/255,419.91 = 100,204.35/x
  3. Step 3: Cross multiply
    185,088.03x = 255,419.91 × 100,204.35
  4. Step 4: Simplify right side
    185,088.03x = 25,594,186,058.61
  5. Step 5: Solve for x
    x = 25,594,186,058.61/185,088.03
  6. Step 6: Final answer
    x = 138,281.15

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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.