Home / 121,174.36-167,228.72-73,432.40

Finding the Fourth Proportional to 121,174.36, 167,228.72 and 73,432.40

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Solution

The fourth proportional to 121,174.36, 167,228.72 and 73,432.40 is: 101,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,174.36 : 167,228.72 = 73,432.40 : x
  2. Step 2: Convert to fraction form
    121,174.36/167,228.72 = 73,432.40/x
  3. Step 3: Cross multiply
    121,174.36x = 167,228.72 × 73,432.40
  4. Step 4: Simplify right side
    121,174.36x = 12,280,006,258.53
  5. Step 5: Solve for x
    x = 12,280,006,258.53/121,174.36
  6. Step 6: Final answer
    x = 101,341.62

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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.