Home / 175,619.20-263,428.80-105,462.40

Finding the Fourth Proportional to 175,619.20, 263,428.80 and 105,462.40

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Solution

The fourth proportional to 175,619.20, 263,428.80 and 105,462.40 is: 158,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,619.20 : 263,428.80 = 105,462.40 : x
  2. Step 2: Convert to fraction form
    175,619.20/263,428.80 = 105,462.40/x
  3. Step 3: Cross multiply
    175,619.20x = 263,428.80 × 105,462.40
  4. Step 4: Simplify right side
    175,619.20x = 27,781,833,477.12
  5. Step 5: Solve for x
    x = 27,781,833,477.12/175,619.20
  6. Step 6: Final answer
    x = 158,193.60

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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.