Home / 121,313.51-167,417.79-67,598.57

Finding the Fourth Proportional to 121,313.51, 167,417.79 and 67,598.57

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Solution

The fourth proportional to 121,313.51, 167,417.79 and 67,598.57 is: 93,288.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,313.51 : 167,417.79 = 67,598.57 : x
  2. Step 2: Convert to fraction form
    121,313.51/167,417.79 = 67,598.57/x
  3. Step 3: Cross multiply
    121,313.51x = 167,417.79 × 67,598.57
  4. Step 4: Simplify right side
    121,313.51x = 11,317,203,196.56
  5. Step 5: Solve for x
    x = 11,317,203,196.56/121,313.51
  6. Step 6: Final answer
    x = 93,288.89

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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.