Home / 139,569.36-209,322.59-39,727.34

Finding the Fourth Proportional to 139,569.36, 209,322.59 and 39,727.34

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Solution

The fourth proportional to 139,569.36, 209,322.59 and 39,727.34 is: 59,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,569.36 : 209,322.59 = 39,727.34 : x
  2. Step 2: Convert to fraction form
    139,569.36/209,322.59 = 39,727.34/x
  3. Step 3: Cross multiply
    139,569.36x = 209,322.59 × 39,727.34
  4. Step 4: Simplify right side
    139,569.36x = 8,315,828,457.36
  5. Step 5: Solve for x
    x = 8,315,828,457.36/139,569.36
  6. Step 6: Final answer
    x = 59,582.05

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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.