Home / 163,947.60-245,887.80-45,589.20

Finding the Fourth Proportional to 163,947.60, 245,887.80 and 45,589.20

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Solution

The fourth proportional to 163,947.60, 245,887.80 and 45,589.20 is: 68,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,947.60 : 245,887.80 = 45,589.20 : x
  2. Step 2: Convert to fraction form
    163,947.60/245,887.80 = 45,589.20/x
  3. Step 3: Cross multiply
    163,947.60x = 245,887.80 × 45,589.20
  4. Step 4: Simplify right side
    163,947.60x = 11,209,828,091.76
  5. Step 5: Solve for x
    x = 11,209,828,091.76/163,947.60
  6. Step 6: Final answer
    x = 68,374.46

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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.