Home / 149,345.20-224,017.80-55,838.80

Finding the Fourth Proportional to 149,345.20, 224,017.80 and 55,838.80

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Solution

The fourth proportional to 149,345.20, 224,017.80 and 55,838.80 is: 83,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,345.20 : 224,017.80 = 55,838.80 : x
  2. Step 2: Convert to fraction form
    149,345.20/224,017.80 = 55,838.80/x
  3. Step 3: Cross multiply
    149,345.20x = 224,017.80 × 55,838.80
  4. Step 4: Simplify right side
    149,345.20x = 12,508,885,130.64
  5. Step 5: Solve for x
    x = 12,508,885,130.64/149,345.20
  6. Step 6: Final answer
    x = 83,758.20

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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.