Home / 161,779.22-223,189.56-107,357.06

Finding the Fourth Proportional to 161,779.22, 223,189.56 and 107,357.06

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Solution

The fourth proportional to 161,779.22, 223,189.56 and 107,357.06 is: 148,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,779.22 : 223,189.56 = 107,357.06 : x
  2. Step 2: Convert to fraction form
    161,779.22/223,189.56 = 107,357.06/x
  3. Step 3: Cross multiply
    161,779.22x = 223,189.56 × 107,357.06
  4. Step 4: Simplify right side
    161,779.22x = 23,960,974,984.29
  5. Step 5: Solve for x
    x = 23,960,974,984.29/161,779.22
  6. Step 6: Final answer
    x = 148,109.10

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1.5x scale

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.