Home / 145,929.42-201,373.92-84,670.88

Finding the Fourth Proportional to 145,929.42, 201,373.92 and 84,670.88

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Solution

The fourth proportional to 145,929.42, 201,373.92 and 84,670.88 is: 116,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,929.42 : 201,373.92 = 84,670.88 : x
  2. Step 2: Convert to fraction form
    145,929.42/201,373.92 = 84,670.88/x
  3. Step 3: Cross multiply
    145,929.42x = 201,373.92 × 84,670.88
  4. Step 4: Simplify right side
    145,929.42x = 17,050,507,015.45
  5. Step 5: Solve for x
    x = 17,050,507,015.45/145,929.42
  6. Step 6: Final answer
    x = 116,840.78

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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.