Home / 163,837.80-245,562.30-84,911.40

Finding the Fourth Proportional to 163,837.80, 245,562.30 and 84,911.40

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Solution

The fourth proportional to 163,837.80, 245,562.30 and 84,911.40 is: 127,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,837.80 : 245,562.30 = 84,911.40 : x
  2. Step 2: Convert to fraction form
    163,837.80/245,562.30 = 84,911.40/x
  3. Step 3: Cross multiply
    163,837.80x = 245,562.30 × 84,911.40
  4. Step 4: Simplify right side
    163,837.80x = 20,851,038,680.22
  5. Step 5: Solve for x
    x = 20,851,038,680.22/163,837.80
  6. Step 6: Final answer
    x = 127,266.35

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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.