Home / 102,170.16-153,342.72-57,840.48

Finding the Fourth Proportional to 102,170.16, 153,342.72 and 57,840.48

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Solution

The fourth proportional to 102,170.16, 153,342.72 and 57,840.48 is: 86,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,170.16 : 153,342.72 = 57,840.48 : x
  2. Step 2: Convert to fraction form
    102,170.16/153,342.72 = 57,840.48/x
  3. Step 3: Cross multiply
    102,170.16x = 153,342.72 × 57,840.48
  4. Step 4: Simplify right side
    102,170.16x = 8,869,416,529.31
  5. Step 5: Solve for x
    x = 8,869,416,529.31/102,170.16
  6. Step 6: Final answer
    x = 86,810.24

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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.