Home / 90,014.97-135,069.60-58,417.59

Finding the Fourth Proportional to 90,014.97, 135,069.60 and 58,417.59

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Solution

The fourth proportional to 90,014.97, 135,069.60 and 58,417.59 is: 87,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,014.97 : 135,069.60 = 58,417.59 : x
  2. Step 2: Convert to fraction form
    90,014.97/135,069.60 = 58,417.59/x
  3. Step 3: Cross multiply
    90,014.97x = 135,069.60 × 58,417.59
  4. Step 4: Simplify right side
    90,014.97x = 7,890,440,514.26
  5. Step 5: Solve for x
    x = 7,890,440,514.26/90,014.97
  6. Step 6: Final answer
    x = 87,656.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.