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Finding the Fourth Proportional to 225,113.35, 310,643.35 and 123,119.77

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Solution

The fourth proportional to 225,113.35, 310,643.35 and 123,119.77 is: 169,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,113.35 : 310,643.35 = 123,119.77 : x
  2. Step 2: Convert to fraction form
    225,113.35/310,643.35 = 123,119.77/x
  3. Step 3: Cross multiply
    225,113.35x = 310,643.35 × 123,119.77
  4. Step 4: Simplify right side
    225,113.35x = 38,246,337,804.03
  5. Step 5: Solve for x
    x = 38,246,337,804.03/225,113.35
  6. Step 6: Final answer
    x = 169,898.13

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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.