Home / 89,110.81-133,875.23-84,066.94

Finding the Fourth Proportional to 89,110.81, 133,875.23 and 84,066.94

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Solution

The fourth proportional to 89,110.81, 133,875.23 and 84,066.94 is: 126,297.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,110.81 : 133,875.23 = 84,066.94 : x
  2. Step 2: Convert to fraction form
    89,110.81/133,875.23 = 84,066.94/x
  3. Step 3: Cross multiply
    89,110.81x = 133,875.23 × 84,066.94
  4. Step 4: Simplify right side
    89,110.81x = 11,254,480,927.90
  5. Step 5: Solve for x
    x = 11,254,480,927.90/89,110.81
  6. Step 6: Final answer
    x = 126,297.59

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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.