Home / 162,108.42-243,160.53-42,154.74

Finding the Fourth Proportional to 162,108.42, 243,160.53 and 42,154.74

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Solution

The fourth proportional to 162,108.42, 243,160.53 and 42,154.74 is: 63,231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,108.42 : 243,160.53 = 42,154.74 : x
  2. Step 2: Convert to fraction form
    162,108.42/243,160.53 = 42,154.74/x
  3. Step 3: Cross multiply
    162,108.42x = 243,160.53 × 42,154.74
  4. Step 4: Simplify right side
    162,108.42x = 10,250,368,920.41
  5. Step 5: Solve for x
    x = 10,250,368,920.41/162,108.42
  6. Step 6: Final answer
    x = 63,231.56

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1.5x scale

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.