Home / 90,017.11-134,857.99-56,293.57

Finding the Fourth Proportional to 90,017.11, 134,857.99 and 56,293.57

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Solution

The fourth proportional to 90,017.11, 134,857.99 and 56,293.57 is: 84,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,017.11 : 134,857.99 = 56,293.57 : x
  2. Step 2: Convert to fraction form
    90,017.11/134,857.99 = 56,293.57/x
  3. Step 3: Cross multiply
    90,017.11x = 134,857.99 × 56,293.57
  4. Step 4: Simplify right side
    90,017.11x = 7,591,637,700.12
  5. Step 5: Solve for x
    x = 7,591,637,700.12/90,017.11
  6. Step 6: Final answer
    x = 84,335.50

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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.