Home / 163,381.05-225,521.01-103,052.25

Finding the Fourth Proportional to 163,381.05, 225,521.01 and 103,052.25

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Solution

The fourth proportional to 163,381.05, 225,521.01 and 103,052.25 is: 142,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,381.05 : 225,521.01 = 103,052.25 : x
  2. Step 2: Convert to fraction form
    163,381.05/225,521.01 = 103,052.25/x
  3. Step 3: Cross multiply
    163,381.05x = 225,521.01 × 103,052.25
  4. Step 4: Simplify right side
    163,381.05x = 23,240,447,502.77
  5. Step 5: Solve for x
    x = 23,240,447,502.77/163,381.05
  6. Step 6: Final answer
    x = 142,246.90

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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.