Home / 121,499.28-167,673.16-70,508.08

Finding the Fourth Proportional to 121,499.28, 167,673.16 and 70,508.08

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Solution

The fourth proportional to 121,499.28, 167,673.16 and 70,508.08 is: 97,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,499.28 : 167,673.16 = 70,508.08 : x
  2. Step 2: Convert to fraction form
    121,499.28/167,673.16 = 70,508.08/x
  3. Step 3: Cross multiply
    121,499.28x = 167,673.16 × 70,508.08
  4. Step 4: Simplify right side
    121,499.28x = 11,822,312,579.13
  5. Step 5: Solve for x
    x = 11,822,312,579.13/121,499.28
  6. Step 6: Final answer
    x = 97,303.56

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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.