Home / 139,411.14-208,999.16-60,465.94

Finding the Fourth Proportional to 139,411.14, 208,999.16 and 60,465.94

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Solution

The fourth proportional to 139,411.14, 208,999.16 and 60,465.94 is: 90,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,411.14 : 208,999.16 = 60,465.94 : x
  2. Step 2: Convert to fraction form
    139,411.14/208,999.16 = 60,465.94/x
  3. Step 3: Cross multiply
    139,411.14x = 208,999.16 × 60,465.94
  4. Step 4: Simplify right side
    139,411.14x = 12,637,330,668.61
  5. Step 5: Solve for x
    x = 12,637,330,668.61/139,411.14
  6. Step 6: Final answer
    x = 90,647.93

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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.