Home / 109,926.05-151,685.18-61,530.67

Finding the Fourth Proportional to 109,926.05, 151,685.18 and 61,530.67

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Solution

The fourth proportional to 109,926.05, 151,685.18 and 61,530.67 is: 84,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,926.05 : 151,685.18 = 61,530.67 : x
  2. Step 2: Convert to fraction form
    109,926.05/151,685.18 = 61,530.67/x
  3. Step 3: Cross multiply
    109,926.05x = 151,685.18 × 61,530.67
  4. Step 4: Simplify right side
    109,926.05x = 9,333,290,780.64
  5. Step 5: Solve for x
    x = 9,333,290,780.64/109,926.05
  6. Step 6: Final answer
    x = 84,905.18

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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.