Home / 163,048.20-244,280.70-139,720.20

Finding the Fourth Proportional to 163,048.20, 244,280.70 and 139,720.20

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Solution

The fourth proportional to 163,048.20, 244,280.70 and 139,720.20 is: 209,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,048.20 : 244,280.70 = 139,720.20 : x
  2. Step 2: Convert to fraction form
    163,048.20/244,280.70 = 139,720.20/x
  3. Step 3: Cross multiply
    163,048.20x = 244,280.70 × 139,720.20
  4. Step 4: Simplify right side
    163,048.20x = 34,130,948,260.14
  5. Step 5: Solve for x
    x = 34,130,948,260.14/163,048.20
  6. Step 6: Final answer
    x = 209,330.42

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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.