Home / 121,532.47-167,688.03-70,515.64

Finding the Fourth Proportional to 121,532.47, 167,688.03 and 70,515.64

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Solution

The fourth proportional to 121,532.47, 167,688.03 and 70,515.64 is: 97,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,532.47 : 167,688.03 = 70,515.64 : x
  2. Step 2: Convert to fraction form
    121,532.47/167,688.03 = 70,515.64/x
  3. Step 3: Cross multiply
    121,532.47x = 167,688.03 × 70,515.64
  4. Step 4: Simplify right side
    121,532.47x = 11,824,628,755.79
  5. Step 5: Solve for x
    x = 11,824,628,755.79/121,532.47
  6. Step 6: Final answer
    x = 97,296.05

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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.