Home / 134,841.12-186,089.04-75,225.12

Finding the Fourth Proportional to 134,841.12, 186,089.04 and 75,225.12

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Solution

The fourth proportional to 134,841.12, 186,089.04 and 75,225.12 is: 103,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,841.12 : 186,089.04 = 75,225.12 : x
  2. Step 2: Convert to fraction form
    134,841.12/186,089.04 = 75,225.12/x
  3. Step 3: Cross multiply
    134,841.12x = 186,089.04 × 75,225.12
  4. Step 4: Simplify right side
    134,841.12x = 13,998,570,364.68
  5. Step 5: Solve for x
    x = 13,998,570,364.68/134,841.12
  6. Step 6: Final answer
    x = 103,815.29

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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.