Home / 170,748.42-235,712.55-99,114.65

Finding the Fourth Proportional to 170,748.42, 235,712.55 and 99,114.65

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Solution

The fourth proportional to 170,748.42, 235,712.55 and 99,114.65 is: 136,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,748.42 : 235,712.55 = 99,114.65 : x
  2. Step 2: Convert to fraction form
    170,748.42/235,712.55 = 99,114.65/x
  3. Step 3: Cross multiply
    170,748.42x = 235,712.55 × 99,114.65
  4. Step 4: Simplify right side
    170,748.42x = 23,362,566,893.86
  5. Step 5: Solve for x
    x = 23,362,566,893.86/170,748.42
  6. Step 6: Final answer
    x = 136,824.50

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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.