Home / 121,302.72-167,412.56-73,555.92

Finding the Fourth Proportional to 121,302.72, 167,412.56 and 73,555.92

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Solution

The fourth proportional to 121,302.72, 167,412.56 and 73,555.92 is: 101,516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,302.72 : 167,412.56 = 73,555.92 : x
  2. Step 2: Convert to fraction form
    121,302.72/167,412.56 = 73,555.92/x
  3. Step 3: Cross multiply
    121,302.72x = 167,412.56 × 73,555.92
  4. Step 4: Simplify right side
    121,302.72x = 12,314,184,502.58
  5. Step 5: Solve for x
    x = 12,314,184,502.58/121,302.72
  6. Step 6: Final answer
    x = 101,516.14

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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.