Home / 103,181.28-142,337.76-67,392.24

Finding the Fourth Proportional to 103,181.28, 142,337.76 and 67,392.24

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Solution

The fourth proportional to 103,181.28, 142,337.76 and 67,392.24 is: 92,967.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,181.28 : 142,337.76 = 67,392.24 : x
  2. Step 2: Convert to fraction form
    103,181.28/142,337.76 = 67,392.24/x
  3. Step 3: Cross multiply
    103,181.28x = 142,337.76 × 67,392.24
  4. Step 4: Simplify right side
    103,181.28x = 9,592,460,482.98
  5. Step 5: Solve for x
    x = 9,592,460,482.98/103,181.28
  6. Step 6: Final answer
    x = 92,967.06

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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.