Home / 89,491.59-134,153.55-30,285.81

Finding the Fourth Proportional to 89,491.59, 134,153.55 and 30,285.81

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Solution

The fourth proportional to 89,491.59, 134,153.55 and 30,285.81 is: 45,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,491.59 : 134,153.55 = 30,285.81 : x
  2. Step 2: Convert to fraction form
    89,491.59/134,153.55 = 30,285.81/x
  3. Step 3: Cross multiply
    89,491.59x = 134,153.55 × 30,285.81
  4. Step 4: Simplify right side
    89,491.59x = 4,062,948,926.13
  5. Step 5: Solve for x
    x = 4,062,948,926.13/89,491.59
  6. Step 6: Final answer
    x = 45,400.34

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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.