Home / 134,779.46-186,055.41-87,056.07

Finding the Fourth Proportional to 134,779.46, 186,055.41 and 87,056.07

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Solution

The fourth proportional to 134,779.46, 186,055.41 and 87,056.07 is: 120,175.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,779.46 : 186,055.41 = 87,056.07 : x
  2. Step 2: Convert to fraction form
    134,779.46/186,055.41 = 87,056.07/x
  3. Step 3: Cross multiply
    134,779.46x = 186,055.41 × 87,056.07
  4. Step 4: Simplify right side
    134,779.46x = 16,197,252,796.84
  5. Step 5: Solve for x
    x = 16,197,252,796.84/134,779.46
  6. Step 6: Final answer
    x = 120,175.98

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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.