Home / 185,955.40-256,742.03-142,858.13

Finding the Fourth Proportional to 185,955.40, 256,742.03 and 142,858.13

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Solution

The fourth proportional to 185,955.40, 256,742.03 and 142,858.13 is: 197,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,955.40 : 256,742.03 = 142,858.13 : x
  2. Step 2: Convert to fraction form
    185,955.40/256,742.03 = 142,858.13/x
  3. Step 3: Cross multiply
    185,955.40x = 256,742.03 × 142,858.13
  4. Step 4: Simplify right side
    185,955.40x = 36,677,686,298.20
  5. Step 5: Solve for x
    x = 36,677,686,298.20/185,955.40
  6. Step 6: Final answer
    x = 197,239.16

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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.