Home / 162,540.78-224,316.18-90,925.62

Finding the Fourth Proportional to 162,540.78, 224,316.18 and 90,925.62

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Solution

The fourth proportional to 162,540.78, 224,316.18 and 90,925.62 is: 125,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,540.78 : 224,316.18 = 90,925.62 : x
  2. Step 2: Convert to fraction form
    162,540.78/224,316.18 = 90,925.62/x
  3. Step 3: Cross multiply
    162,540.78x = 224,316.18 × 90,925.62
  4. Step 4: Simplify right side
    162,540.78x = 20,396,087,742.53
  5. Step 5: Solve for x
    x = 20,396,087,742.53/162,540.78
  6. Step 6: Final answer
    x = 125,482.90

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1.5x scale

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.