Home / 104,989.95-157,438.76-38,412.81

Finding the Fourth Proportional to 104,989.95, 157,438.76 and 38,412.81

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Solution

The fourth proportional to 104,989.95, 157,438.76 and 38,412.81 is: 57,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,989.95 : 157,438.76 = 38,412.81 : x
  2. Step 2: Convert to fraction form
    104,989.95/157,438.76 = 38,412.81/x
  3. Step 3: Cross multiply
    104,989.95x = 157,438.76 × 38,412.81
  4. Step 4: Simplify right side
    104,989.95x = 6,047,664,982.45
  5. Step 5: Solve for x
    x = 6,047,664,982.45/104,989.95
  6. Step 6: Final answer
    x = 57,602.32

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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.