Home / 146,838.40-220,257.60-144,870.10

Finding the Fourth Proportional to 146,838.40, 220,257.60 and 144,870.10

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Solution

The fourth proportional to 146,838.40, 220,257.60 and 144,870.10 is: 217,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,838.40 : 220,257.60 = 144,870.10 : x
  2. Step 2: Convert to fraction form
    146,838.40/220,257.60 = 144,870.10/x
  3. Step 3: Cross multiply
    146,838.40x = 220,257.60 × 144,870.10
  4. Step 4: Simplify right side
    146,838.40x = 31,908,740,537.76
  5. Step 5: Solve for x
    x = 31,908,740,537.76/146,838.40
  6. Step 6: Final answer
    x = 217,305.15

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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.