Home / 102,967.86-142,094.58-57,646.26

Finding the Fourth Proportional to 102,967.86, 142,094.58 and 57,646.26

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Solution

The fourth proportional to 102,967.86, 142,094.58 and 57,646.26 is: 79,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,967.86 : 142,094.58 = 57,646.26 : x
  2. Step 2: Convert to fraction form
    102,967.86/142,094.58 = 57,646.26/x
  3. Step 3: Cross multiply
    102,967.86x = 142,094.58 × 57,646.26
  4. Step 4: Simplify right side
    102,967.86x = 8,191,221,103.27
  5. Step 5: Solve for x
    x = 8,191,221,103.27/102,967.86
  6. Step 6: Final answer
    x = 79,551.24

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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.