Home / 135,454.62-186,937.91-75,030.89

Finding the Fourth Proportional to 135,454.62, 186,937.91 and 75,030.89

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Solution

The fourth proportional to 135,454.62, 186,937.91 and 75,030.89 is: 103,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,454.62 : 186,937.91 = 75,030.89 : x
  2. Step 2: Convert to fraction form
    135,454.62/186,937.91 = 75,030.89/x
  3. Step 3: Cross multiply
    135,454.62x = 186,937.91 × 75,030.89
  4. Step 4: Simplify right side
    135,454.62x = 14,026,116,452.20
  5. Step 5: Solve for x
    x = 14,026,116,452.20/135,454.62
  6. Step 6: Final answer
    x = 103,548.45

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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.