Home / 162,306.45-243,426.69-135,931.23

Finding the Fourth Proportional to 162,306.45, 243,426.69 and 135,931.23

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Solution

The fourth proportional to 162,306.45, 243,426.69 and 135,931.23 is: 203,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,306.45 : 243,426.69 = 135,931.23 : x
  2. Step 2: Convert to fraction form
    162,306.45/243,426.69 = 135,931.23/x
  3. Step 3: Cross multiply
    162,306.45x = 243,426.69 × 135,931.23
  4. Step 4: Simplify right side
    162,306.45x = 33,089,289,386.53
  5. Step 5: Solve for x
    x = 33,089,289,386.53/162,306.45
  6. Step 6: Final answer
    x = 203,869.22

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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.