Home / 147,973.30-221,704.80-68,925.40

Finding the Fourth Proportional to 147,973.30, 221,704.80 and 68,925.40

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Solution

The fourth proportional to 147,973.30, 221,704.80 and 68,925.40 is: 103,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,973.30 : 221,704.80 = 68,925.40 : x
  2. Step 2: Convert to fraction form
    147,973.30/221,704.80 = 68,925.40/x
  3. Step 3: Cross multiply
    147,973.30x = 221,704.80 × 68,925.40
  4. Step 4: Simplify right side
    147,973.30x = 15,281,092,021.92
  5. Step 5: Solve for x
    x = 15,281,092,021.92/147,973.30
  6. Step 6: Final answer
    x = 103,269.25

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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.