Home / 139,564.96-209,332.02-38,370.92

Finding the Fourth Proportional to 139,564.96, 209,332.02 and 38,370.92

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Solution

The fourth proportional to 139,564.96, 209,332.02 and 38,370.92 is: 57,552.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,564.96 : 209,332.02 = 38,370.92 : x
  2. Step 2: Convert to fraction form
    139,564.96/209,332.02 = 38,370.92/x
  3. Step 3: Cross multiply
    139,564.96x = 209,332.02 × 38,370.92
  4. Step 4: Simplify right side
    139,564.96x = 8,032,262,192.86
  5. Step 5: Solve for x
    x = 8,032,262,192.86/139,564.96
  6. Step 6: Final answer
    x = 57,552.14

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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.