Home / 162,045.15-242,861.18-90,967.65

Finding the Fourth Proportional to 162,045.15, 242,861.18 and 90,967.65

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Solution

The fourth proportional to 162,045.15, 242,861.18 and 90,967.65 is: 136,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,045.15 : 242,861.18 = 90,967.65 : x
  2. Step 2: Convert to fraction form
    162,045.15/242,861.18 = 90,967.65/x
  3. Step 3: Cross multiply
    162,045.15x = 242,861.18 × 90,967.65
  4. Step 4: Simplify right side
    162,045.15x = 22,092,510,365.99
  5. Step 5: Solve for x
    x = 22,092,510,365.99/162,045.15
  6. Step 6: Final answer
    x = 136,335.52

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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.