Home / 89,495.10-134,158.80-30,289.32

Finding the Fourth Proportional to 89,495.10, 134,158.80 and 30,289.32

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Solution

The fourth proportional to 89,495.10, 134,158.80 and 30,289.32 is: 45,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,495.10 : 134,158.80 = 30,289.32 : x
  2. Step 2: Convert to fraction form
    89,495.10/134,158.80 = 30,289.32/x
  3. Step 3: Cross multiply
    89,495.10x = 134,158.80 × 30,289.32
  4. Step 4: Simplify right side
    89,495.10x = 4,063,578,824.02
  5. Step 5: Solve for x
    x = 4,063,578,824.02/89,495.10
  6. Step 6: Final answer
    x = 45,405.60

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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.