Home / 135,559.01-187,066.34-75,130.69

Finding the Fourth Proportional to 135,559.01, 187,066.34 and 75,130.69

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Solution

The fourth proportional to 135,559.01, 187,066.34 and 75,130.69 is: 103,677.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,559.01 : 187,066.34 = 75,130.69 : x
  2. Step 2: Convert to fraction form
    135,559.01/187,066.34 = 75,130.69/x
  3. Step 3: Cross multiply
    135,559.01x = 187,066.34 × 75,130.69
  4. Step 4: Simplify right side
    135,559.01x = 14,054,422,264.64
  5. Step 5: Solve for x
    x = 14,054,422,264.64/135,559.01
  6. Step 6: Final answer
    x = 103,677.52

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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.