Home / 90,064.11-135,095.98-84,583.62

Finding the Fourth Proportional to 90,064.11, 135,095.98 and 84,583.62

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Solution

The fourth proportional to 90,064.11, 135,095.98 and 84,583.62 is: 126,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,064.11 : 135,095.98 = 84,583.62 : x
  2. Step 2: Convert to fraction form
    90,064.11/135,095.98 = 84,583.62/x
  3. Step 3: Cross multiply
    90,064.11x = 135,095.98 × 84,583.62
  4. Step 4: Simplify right side
    90,064.11x = 11,426,907,035.85
  5. Step 5: Solve for x
    x = 11,426,907,035.85/90,064.11
  6. Step 6: Final answer
    x = 126,875.26

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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.