Home / 225,190.17-310,762.27-123,216.30

Finding the Fourth Proportional to 225,190.17, 310,762.27 and 123,216.30

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Solution

The fourth proportional to 225,190.17, 310,762.27 and 123,216.30 is: 170,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,190.17 : 310,762.27 = 123,216.30 : x
  2. Step 2: Convert to fraction form
    225,190.17/310,762.27 = 123,216.30/x
  3. Step 3: Cross multiply
    225,190.17x = 310,762.27 × 123,216.30
  4. Step 4: Simplify right side
    225,190.17x = 38,290,977,243.02
  5. Step 5: Solve for x
    x = 38,290,977,243.02/225,190.17
  6. Step 6: Final answer
    x = 170,038.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.