Home / 163,985.10-245,977.65-147,914.70

Finding the Fourth Proportional to 163,985.10, 245,977.65 and 147,914.70

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Solution

The fourth proportional to 163,985.10, 245,977.65 and 147,914.70 is: 221,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,985.10 : 245,977.65 = 147,914.70 : x
  2. Step 2: Convert to fraction form
    163,985.10/245,977.65 = 147,914.70/x
  3. Step 3: Cross multiply
    163,985.10x = 245,977.65 × 147,914.70
  4. Step 4: Simplify right side
    163,985.10x = 36,383,710,306.46
  5. Step 5: Solve for x
    x = 36,383,710,306.46/163,985.10
  6. Step 6: Final answer
    x = 221,872.05

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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.