Home / 90,028.17-135,158.90-56,814.93

Finding the Fourth Proportional to 90,028.17, 135,158.90 and 56,814.93

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Solution

The fourth proportional to 90,028.17, 135,158.90 and 56,814.93 is: 85,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,028.17 : 135,158.90 = 56,814.93 : x
  2. Step 2: Convert to fraction form
    90,028.17/135,158.90 = 56,814.93/x
  3. Step 3: Cross multiply
    90,028.17x = 135,158.90 × 56,814.93
  4. Step 4: Simplify right side
    90,028.17x = 7,679,043,158.30
  5. Step 5: Solve for x
    x = 7,679,043,158.30/90,028.17
  6. Step 6: Final answer
    x = 85,296.00

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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.