Home / 89,341.48-134,012.22-69,634.90

Finding the Fourth Proportional to 89,341.48, 134,012.22 and 69,634.90

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Solution

The fourth proportional to 89,341.48, 134,012.22 and 69,634.90 is: 104,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,341.48 : 134,012.22 = 69,634.90 : x
  2. Step 2: Convert to fraction form
    89,341.48/134,012.22 = 69,634.90/x
  3. Step 3: Cross multiply
    89,341.48x = 134,012.22 × 69,634.90
  4. Step 4: Simplify right side
    89,341.48x = 9,331,927,538.48
  5. Step 5: Solve for x
    x = 9,331,927,538.48/89,341.48
  6. Step 6: Final answer
    x = 104,452.35

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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.