Home / 89,160-133,709.04-25,962.96

Finding the Fourth Proportional to 89,160, 133,709.04 and 25,962.96

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Solution

The fourth proportional to 89,160, 133,709.04 and 25,962.96 is: 38,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,160 : 133,709.04 = 25,962.96 : x
  2. Step 2: Convert to fraction form
    89,160/133,709.04 = 25,962.96/x
  3. Step 3: Cross multiply
    89,160x = 133,709.04 × 25,962.96
  4. Step 4: Simplify right side
    89,160x = 3,471,482,457.16
  5. Step 5: Solve for x
    x = 3,471,482,457.16/89,160
  6. Step 6: Final answer
    x = 38,935.42

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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.