Home / 117,835.16-162,609.26-64,118.93

Finding the Fourth Proportional to 117,835.16, 162,609.26 and 64,118.93

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Solution

The fourth proportional to 117,835.16, 162,609.26 and 64,118.93 is: 88,482.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,835.16 : 162,609.26 = 64,118.93 : x
  2. Step 2: Convert to fraction form
    117,835.16/162,609.26 = 64,118.93/x
  3. Step 3: Cross multiply
    117,835.16x = 162,609.26 × 64,118.93
  4. Step 4: Simplify right side
    117,835.16x = 10,426,330,625.65
  5. Step 5: Solve for x
    x = 10,426,330,625.65/117,835.16
  6. Step 6: Final answer
    x = 88,482.34

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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.