Home / 161,890.20-242,835.30-144,977.40

Finding the Fourth Proportional to 161,890.20, 242,835.30 and 144,977.40

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Solution

The fourth proportional to 161,890.20, 242,835.30 and 144,977.40 is: 217,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,890.20 : 242,835.30 = 144,977.40 : x
  2. Step 2: Convert to fraction form
    161,890.20/242,835.30 = 144,977.40/x
  3. Step 3: Cross multiply
    161,890.20x = 242,835.30 × 144,977.40
  4. Step 4: Simplify right side
    161,890.20x = 35,205,630,422.22
  5. Step 5: Solve for x
    x = 35,205,630,422.22/161,890.20
  6. Step 6: Final answer
    x = 217,466.10

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1.5x scale

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.