Home / 106,430.28-146,872.02-58,688.04

Finding the Fourth Proportional to 106,430.28, 146,872.02 and 58,688.04

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Solution

The fourth proportional to 106,430.28, 146,872.02 and 58,688.04 is: 80,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,430.28 : 146,872.02 = 58,688.04 : x
  2. Step 2: Convert to fraction form
    106,430.28/146,872.02 = 58,688.04/x
  3. Step 3: Cross multiply
    106,430.28x = 146,872.02 × 58,688.04
  4. Step 4: Simplify right side
    106,430.28x = 8,619,630,984.64
  5. Step 5: Solve for x
    x = 8,619,630,984.64/106,430.28
  6. Step 6: Final answer
    x = 80,988.52

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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.