Home / 105,266.24-157,899.36-42,941.60

Finding the Fourth Proportional to 105,266.24, 157,899.36 and 42,941.60

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Solution

The fourth proportional to 105,266.24, 157,899.36 and 42,941.60 is: 64,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,266.24 : 157,899.36 = 42,941.60 : x
  2. Step 2: Convert to fraction form
    105,266.24/157,899.36 = 42,941.60/x
  3. Step 3: Cross multiply
    105,266.24x = 157,899.36 × 42,941.60
  4. Step 4: Simplify right side
    105,266.24x = 6,780,451,157.38
  5. Step 5: Solve for x
    x = 6,780,451,157.38/105,266.24
  6. Step 6: Final answer
    x = 64,412.40

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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.