Home / 113,290.08-169,835.76-43,122.72

Finding the Fourth Proportional to 113,290.08, 169,835.76 and 43,122.72

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Solution

The fourth proportional to 113,290.08, 169,835.76 and 43,122.72 is: 64,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,290.08 : 169,835.76 = 43,122.72 : x
  2. Step 2: Convert to fraction form
    113,290.08/169,835.76 = 43,122.72/x
  3. Step 3: Cross multiply
    113,290.08x = 169,835.76 × 43,122.72
  4. Step 4: Simplify right side
    113,290.08x = 7,323,779,924.47
  5. Step 5: Solve for x
    x = 7,323,779,924.47/113,290.08
  6. Step 6: Final answer
    x = 64,646.26

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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.