Home / 109,160.86-150,633.93-61,405.02

Finding the Fourth Proportional to 109,160.86, 150,633.93 and 61,405.02

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Solution

The fourth proportional to 109,160.86, 150,633.93 and 61,405.02 is: 84,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,160.86 : 150,633.93 = 61,405.02 : x
  2. Step 2: Convert to fraction form
    109,160.86/150,633.93 = 61,405.02/x
  3. Step 3: Cross multiply
    109,160.86x = 150,633.93 × 61,405.02
  4. Step 4: Simplify right side
    109,160.86x = 9,249,678,731.16
  5. Step 5: Solve for x
    x = 9,249,678,731.16/109,160.86
  6. Step 6: Final answer
    x = 84,734.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.