Home / 95,278.85-142,973.63-42,688.34

Finding the Fourth Proportional to 95,278.85, 142,973.63 and 42,688.34

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Solution

The fourth proportional to 95,278.85, 142,973.63 and 42,688.34 is: 64,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,278.85 : 142,973.63 = 42,688.34 : x
  2. Step 2: Convert to fraction form
    95,278.85/142,973.63 = 42,688.34/x
  3. Step 3: Cross multiply
    95,278.85x = 142,973.63 × 42,688.34
  4. Step 4: Simplify right side
    95,278.85x = 6,103,306,000.16
  5. Step 5: Solve for x
    x = 6,103,306,000.16/95,278.85
  6. Step 6: Final answer
    x = 64,057.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.