Home / 139,416.25-209,006.79-60,471.01

Finding the Fourth Proportional to 139,416.25, 209,006.79 and 60,471.01

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Solution

The fourth proportional to 139,416.25, 209,006.79 and 60,471.01 is: 90,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,416.25 : 209,006.79 = 60,471.01 : x
  2. Step 2: Convert to fraction form
    139,416.25/209,006.79 = 60,471.01/x
  3. Step 3: Cross multiply
    139,416.25x = 209,006.79 × 60,471.01
  4. Step 4: Simplify right side
    139,416.25x = 12,638,851,688.16
  5. Step 5: Solve for x
    x = 12,638,851,688.16/139,416.25
  6. Step 6: Final answer
    x = 90,655.51

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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.