Home / 147,459.15-221,189.94-91,462.23

Finding the Fourth Proportional to 147,459.15, 221,189.94 and 91,462.23

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Solution

The fourth proportional to 147,459.15, 221,189.94 and 91,462.23 is: 137,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,459.15 : 221,189.94 = 91,462.23 : x
  2. Step 2: Convert to fraction form
    147,459.15/221,189.94 = 91,462.23/x
  3. Step 3: Cross multiply
    147,459.15x = 221,189.94 × 91,462.23
  4. Step 4: Simplify right side
    147,459.15x = 20,230,525,165.97
  5. Step 5: Solve for x
    x = 20,230,525,165.97/147,459.15
  6. Step 6: Final answer
    x = 137,194.10

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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.