Home / 147,644.65-221,466.98-102,543.85

Finding the Fourth Proportional to 147,644.65, 221,466.98 and 102,543.85

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Solution

The fourth proportional to 147,644.65, 221,466.98 and 102,543.85 is: 153,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,644.65 : 221,466.98 = 102,543.85 : x
  2. Step 2: Convert to fraction form
    147,644.65/221,466.98 = 102,543.85/x
  3. Step 3: Cross multiply
    147,644.65x = 221,466.98 × 102,543.85
  4. Step 4: Simplify right side
    147,644.65x = 22,710,076,264.35
  5. Step 5: Solve for x
    x = 22,710,076,264.35/147,644.65
  6. Step 6: Final answer
    x = 153,815.78

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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.