Home / 135,177.04-186,482.31-87,445.77

Finding the Fourth Proportional to 135,177.04, 186,482.31 and 87,445.77

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Solution

The fourth proportional to 135,177.04, 186,482.31 and 87,445.77 is: 120,635.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,177.04 : 186,482.31 = 87,445.77 : x
  2. Step 2: Convert to fraction form
    135,177.04/186,482.31 = 87,445.77/x
  3. Step 3: Cross multiply
    135,177.04x = 186,482.31 × 87,445.77
  4. Step 4: Simplify right side
    135,177.04x = 16,307,089,189.33
  5. Step 5: Solve for x
    x = 16,307,089,189.33/135,177.04
  6. Step 6: Final answer
    x = 120,635.05

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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.