Home / 148,785.40-223,178.10-55,271.80

Finding the Fourth Proportional to 148,785.40, 223,178.10 and 55,271.80

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Solution

The fourth proportional to 148,785.40, 223,178.10 and 55,271.80 is: 82,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,785.40 : 223,178.10 = 55,271.80 : x
  2. Step 2: Convert to fraction form
    148,785.40/223,178.10 = 55,271.80/x
  3. Step 3: Cross multiply
    148,785.40x = 223,178.10 × 55,271.80
  4. Step 4: Simplify right side
    148,785.40x = 12,335,455,307.58
  5. Step 5: Solve for x
    x = 12,335,455,307.58/148,785.40
  6. Step 6: Final answer
    x = 82,907.70

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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.