Home / 134,246.40-201,393.88-55,316.72

Finding the Fourth Proportional to 134,246.40, 201,393.88 and 55,316.72

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Solution

The fourth proportional to 134,246.40, 201,393.88 and 55,316.72 is: 82,985.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,246.40 : 201,393.88 = 55,316.72 : x
  2. Step 2: Convert to fraction form
    134,246.40/201,393.88 = 55,316.72/x
  3. Step 3: Cross multiply
    134,246.40x = 201,393.88 × 55,316.72
  4. Step 4: Simplify right side
    134,246.40x = 11,140,448,869.67
  5. Step 5: Solve for x
    x = 11,140,448,869.67/134,246.40
  6. Step 6: Final answer
    x = 82,985.08

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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.