Home / 146,242.14-201,711.51-100,938.30

Finding the Fourth Proportional to 146,242.14, 201,711.51 and 100,938.30

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Solution

The fourth proportional to 146,242.14, 201,711.51 and 100,938.30 is: 139,224.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,242.14 : 201,711.51 = 100,938.30 : x
  2. Step 2: Convert to fraction form
    146,242.14/201,711.51 = 100,938.30/x
  3. Step 3: Cross multiply
    146,242.14x = 201,711.51 × 100,938.30
  4. Step 4: Simplify right side
    146,242.14x = 20,360,416,909.83
  5. Step 5: Solve for x
    x = 20,360,416,909.83/146,242.14
  6. Step 6: Final answer
    x = 139,224.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.