Home / 147,506.27-221,346.98-138,166.05

Finding the Fourth Proportional to 147,506.27, 221,346.98 and 138,166.05

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Solution

The fourth proportional to 147,506.27, 221,346.98 and 138,166.05 is: 207,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,506.27 : 221,346.98 = 138,166.05 : x
  2. Step 2: Convert to fraction form
    147,506.27/221,346.98 = 138,166.05/x
  3. Step 3: Cross multiply
    147,506.27x = 221,346.98 × 138,166.05
  4. Step 4: Simplify right side
    147,506.27x = 30,582,638,563.37
  5. Step 5: Solve for x
    x = 30,582,638,563.37/147,506.27
  6. Step 6: Final answer
    x = 207,331.12

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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.