Home / 89,861.40-134,792.10-43,090.20

Finding the Fourth Proportional to 89,861.40, 134,792.10 and 43,090.20

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Solution

The fourth proportional to 89,861.40, 134,792.10 and 43,090.20 is: 64,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861.40 : 134,792.10 = 43,090.20 : x
  2. Step 2: Convert to fraction form
    89,861.40/134,792.10 = 43,090.20/x
  3. Step 3: Cross multiply
    89,861.40x = 134,792.10 × 43,090.20
  4. Step 4: Simplify right side
    89,861.40x = 5,808,218,547.42
  5. Step 5: Solve for x
    x = 5,808,218,547.42/89,861.40
  6. Step 6: Final answer
    x = 64,635.30

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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.