Home / 121,717.64-167,941.55-70,700.06

Finding the Fourth Proportional to 121,717.64, 167,941.55 and 70,700.06

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Solution

The fourth proportional to 121,717.64, 167,941.55 and 70,700.06 is: 97,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,717.64 : 167,941.55 = 70,700.06 : x
  2. Step 2: Convert to fraction form
    121,717.64/167,941.55 = 70,700.06/x
  3. Step 3: Cross multiply
    121,717.64x = 167,941.55 × 70,700.06
  4. Step 4: Simplify right side
    121,717.64x = 11,873,477,661.49
  5. Step 5: Solve for x
    x = 11,873,477,661.49/121,717.64
  6. Step 6: Final answer
    x = 97,549.36

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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.