Home / 135,241.48-186,570.36-87,510.24

Finding the Fourth Proportional to 135,241.48, 186,570.36 and 87,510.24

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Solution

The fourth proportional to 135,241.48, 186,570.36 and 87,510.24 is: 120,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,241.48 : 186,570.36 = 87,510.24 : x
  2. Step 2: Convert to fraction form
    135,241.48/186,570.36 = 87,510.24/x
  3. Step 3: Cross multiply
    135,241.48x = 186,570.36 × 87,510.24
  4. Step 4: Simplify right side
    135,241.48x = 16,326,816,980.49
  5. Step 5: Solve for x
    x = 16,326,816,980.49/135,241.48
  6. Step 6: Final answer
    x = 120,723.44

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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.