Home / 121,310.01-167,412.96-67,595.06

Finding the Fourth Proportional to 121,310.01, 167,412.96 and 67,595.06

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Solution

The fourth proportional to 121,310.01, 167,412.96 and 67,595.06 is: 93,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,310.01 : 167,412.96 = 67,595.06 : x
  2. Step 2: Convert to fraction form
    121,310.01/167,412.96 = 67,595.06/x
  3. Step 3: Cross multiply
    121,310.01x = 167,412.96 × 67,595.06
  4. Step 4: Simplify right side
    121,310.01x = 11,316,289,494.51
  5. Step 5: Solve for x
    x = 11,316,289,494.51/121,310.01
  6. Step 6: Final answer
    x = 93,284.05

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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.