Home / 149,428.75-224,142.01-42,812.80

Finding the Fourth Proportional to 149,428.75, 224,142.01 and 42,812.80

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Solution

The fourth proportional to 149,428.75, 224,142.01 and 42,812.80 is: 64,218.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,428.75 : 224,142.01 = 42,812.80 : x
  2. Step 2: Convert to fraction form
    149,428.75/224,142.01 = 42,812.80/x
  3. Step 3: Cross multiply
    149,428.75x = 224,142.01 × 42,812.80
  4. Step 4: Simplify right side
    149,428.75x = 9,596,145,925.02
  5. Step 5: Solve for x
    x = 9,596,145,925.02/149,428.75
  6. Step 6: Final answer
    x = 64,218.87

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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.