Home / 90,025.04-134,934.60-56,306.36

Finding the Fourth Proportional to 90,025.04, 134,934.60 and 56,306.36

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Solution

The fourth proportional to 90,025.04, 134,934.60 and 56,306.36 is: 84,395.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,025.04 : 134,934.60 = 56,306.36 : x
  2. Step 2: Convert to fraction form
    90,025.04/134,934.60 = 56,306.36/x
  3. Step 3: Cross multiply
    90,025.04x = 134,934.60 × 56,306.36
  4. Step 4: Simplify right side
    90,025.04x = 7,597,676,164.06
  5. Step 5: Solve for x
    x = 7,597,676,164.06/90,025.04
  6. Step 6: Final answer
    x = 84,395.14

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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.