Home / 104,826.80-157,259.40-42,503.60

Finding the Fourth Proportional to 104,826.80, 157,259.40 and 42,503.60

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Solution

The fourth proportional to 104,826.80, 157,259.40 and 42,503.60 is: 63,763.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,826.80 : 157,259.40 = 42,503.60 : x
  2. Step 2: Convert to fraction form
    104,826.80/157,259.40 = 42,503.60/x
  3. Step 3: Cross multiply
    104,826.80x = 157,259.40 × 42,503.60
  4. Step 4: Simplify right side
    104,826.80x = 6,684,090,633.84
  5. Step 5: Solve for x
    x = 6,684,090,633.84/104,826.80
  6. Step 6: Final answer
    x = 63,763.18

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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.