Home / 152,969.12-210,980.40-134,073.44

Finding the Fourth Proportional to 152,969.12, 210,980.40 and 134,073.44

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Solution

The fourth proportional to 152,969.12, 210,980.40 and 134,073.44 is: 184,918.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,969.12 : 210,980.40 = 134,073.44 : x
  2. Step 2: Convert to fraction form
    152,969.12/210,980.40 = 134,073.44/x
  3. Step 3: Cross multiply
    152,969.12x = 210,980.40 × 134,073.44
  4. Step 4: Simplify right side
    152,969.12x = 28,286,868,000.58
  5. Step 5: Solve for x
    x = 28,286,868,000.58/152,969.12
  6. Step 6: Final answer
    x = 184,918.81

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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.