Home / 163,815.60-245,723.40-97,221.45

Finding the Fourth Proportional to 163,815.60, 245,723.40 and 97,221.45

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Solution

The fourth proportional to 163,815.60, 245,723.40 and 97,221.45 is: 145,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,815.60 : 245,723.40 = 97,221.45 : x
  2. Step 2: Convert to fraction form
    163,815.60/245,723.40 = 97,221.45/x
  3. Step 3: Cross multiply
    163,815.60x = 245,723.40 × 97,221.45
  4. Step 4: Simplify right side
    163,815.60x = 23,889,585,246.93
  5. Step 5: Solve for x
    x = 23,889,585,246.93/163,815.60
  6. Step 6: Final answer
    x = 145,832.18

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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.