Home / 102,235.16-141,004.60-66,436.67

Finding the Fourth Proportional to 102,235.16, 141,004.60 and 66,436.67

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Solution

The fourth proportional to 102,235.16, 141,004.60 and 66,436.67 is: 91,630.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,235.16 : 141,004.60 = 66,436.67 : x
  2. Step 2: Convert to fraction form
    102,235.16/141,004.60 = 66,436.67/x
  3. Step 3: Cross multiply
    102,235.16x = 141,004.60 × 66,436.67
  4. Step 4: Simplify right side
    102,235.16x = 9,367,876,265.10
  5. Step 5: Solve for x
    x = 9,367,876,265.10/102,235.16
  6. Step 6: Final answer
    x = 91,630.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.