Home / 102,084.26-153,178.76-42,157.22

Finding the Fourth Proportional to 102,084.26, 153,178.76 and 42,157.22

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Solution

The fourth proportional to 102,084.26, 153,178.76 and 42,157.22 is: 63,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,084.26 : 153,178.76 = 42,157.22 : x
  2. Step 2: Convert to fraction form
    102,084.26/153,178.76 = 42,157.22/x
  3. Step 3: Cross multiply
    102,084.26x = 153,178.76 × 42,157.22
  4. Step 4: Simplify right side
    102,084.26x = 6,457,590,024.15
  5. Step 5: Solve for x
    x = 6,457,590,024.15/102,084.26
  6. Step 6: Final answer
    x = 63,257.45

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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.