Home / 89,122.77-133,688.18-29,154.67

Finding the Fourth Proportional to 89,122.77, 133,688.18 and 29,154.67

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Solution

The fourth proportional to 89,122.77, 133,688.18 and 29,154.67 is: 43,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,122.77 : 133,688.18 = 29,154.67 : x
  2. Step 2: Convert to fraction form
    89,122.77/133,688.18 = 29,154.67/x
  3. Step 3: Cross multiply
    89,122.77x = 133,688.18 × 29,154.67
  4. Step 4: Simplify right side
    89,122.77x = 3,897,634,290.81
  5. Step 5: Solve for x
    x = 3,897,634,290.81/89,122.77
  6. Step 6: Final answer
    x = 43,733.32

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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.