Home / 136,158.71-204,243.53-47,421.18

Finding the Fourth Proportional to 136,158.71, 204,243.53 and 47,421.18

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Solution

The fourth proportional to 136,158.71, 204,243.53 and 47,421.18 is: 71,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,158.71 : 204,243.53 = 47,421.18 : x
  2. Step 2: Convert to fraction form
    136,158.71/204,243.53 = 47,421.18/x
  3. Step 3: Cross multiply
    136,158.71x = 204,243.53 × 47,421.18
  4. Step 4: Simplify right side
    136,158.71x = 9,685,468,962.86
  5. Step 5: Solve for x
    x = 9,685,468,962.86/136,158.71
  6. Step 6: Final answer
    x = 71,133.67

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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.