Home / 102,711.06-153,814.86-84,832.29

Finding the Fourth Proportional to 102,711.06, 153,814.86 and 84,832.29

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Solution

The fourth proportional to 102,711.06, 153,814.86 and 84,832.29 is: 127,040.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,711.06 : 153,814.86 = 84,832.29 : x
  2. Step 2: Convert to fraction form
    102,711.06/153,814.86 = 84,832.29/x
  3. Step 3: Cross multiply
    102,711.06x = 153,814.86 × 84,832.29
  4. Step 4: Simplify right side
    102,711.06x = 13,048,466,809.83
  5. Step 5: Solve for x
    x = 13,048,466,809.83/102,711.06
  6. Step 6: Final answer
    x = 127,040.52

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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.