Home / 149,720.20-224,580.30-70,988.20

Finding the Fourth Proportional to 149,720.20, 224,580.30 and 70,988.20

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Solution

The fourth proportional to 149,720.20, 224,580.30 and 70,988.20 is: 106,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,720.20 : 224,580.30 = 70,988.20 : x
  2. Step 2: Convert to fraction form
    149,720.20/224,580.30 = 70,988.20/x
  3. Step 3: Cross multiply
    149,720.20x = 224,580.30 × 70,988.20
  4. Step 4: Simplify right side
    149,720.20x = 15,942,551,252.46
  5. Step 5: Solve for x
    x = 15,942,551,252.46/149,720.20
  6. Step 6: Final answer
    x = 106,482.30

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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.