Home / 89,236.76-133,801.67-28,420.74

Finding the Fourth Proportional to 89,236.76, 133,801.67 and 28,420.74

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Solution

The fourth proportional to 89,236.76, 133,801.67 and 28,420.74 is: 42,614.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,236.76 : 133,801.67 = 28,420.74 : x
  2. Step 2: Convert to fraction form
    89,236.76/133,801.67 = 28,420.74/x
  3. Step 3: Cross multiply
    89,236.76x = 133,801.67 × 28,420.74
  4. Step 4: Simplify right side
    89,236.76x = 3,802,742,545.69
  5. Step 5: Solve for x
    x = 3,802,742,545.69/89,236.76
  6. Step 6: Final answer
    x = 42,614.08

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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.