Home / 216,848.40-325,272.60-83,734.80

Finding the Fourth Proportional to 216,848.40, 325,272.60 and 83,734.80

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Solution

The fourth proportional to 216,848.40, 325,272.60 and 83,734.80 is: 125,602.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,848.40 : 325,272.60 = 83,734.80 : x
  2. Step 2: Convert to fraction form
    216,848.40/325,272.60 = 83,734.80/x
  3. Step 3: Cross multiply
    216,848.40x = 325,272.60 × 83,734.80
  4. Step 4: Simplify right side
    216,848.40x = 27,236,636,106.48
  5. Step 5: Solve for x
    x = 27,236,636,106.48/216,848.40
  6. Step 6: Final answer
    x = 125,602.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.