Home / 163,973.30-245,875.50-75,150.72

Finding the Fourth Proportional to 163,973.30, 245,875.50 and 75,150.72

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Solution

The fourth proportional to 163,973.30, 245,875.50 and 75,150.72 is: 112,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,973.30 : 245,875.50 = 75,150.72 : x
  2. Step 2: Convert to fraction form
    163,973.30/245,875.50 = 75,150.72/x
  3. Step 3: Cross multiply
    163,973.30x = 245,875.50 × 75,150.72
  4. Step 4: Simplify right side
    163,973.30x = 18,477,720,855.36
  5. Step 5: Solve for x
    x = 18,477,720,855.36/163,973.30
  6. Step 6: Final answer
    x = 112,687.38

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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.