Home / 89,289.12-133,956.20-63,045.12

Finding the Fourth Proportional to 89,289.12, 133,956.20 and 63,045.12

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Solution

The fourth proportional to 89,289.12, 133,956.20 and 63,045.12 is: 94,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,289.12 : 133,956.20 = 63,045.12 : x
  2. Step 2: Convert to fraction form
    89,289.12/133,956.20 = 63,045.12/x
  3. Step 3: Cross multiply
    89,289.12x = 133,956.20 × 63,045.12
  4. Step 4: Simplify right side
    89,289.12x = 8,445,284,703.74
  5. Step 5: Solve for x
    x = 8,445,284,703.74/89,289.12
  6. Step 6: Final answer
    x = 94,583.58

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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.