Home / 175,931.20-263,896.80-42,810.40

Finding the Fourth Proportional to 175,931.20, 263,896.80 and 42,810.40

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Solution

The fourth proportional to 175,931.20, 263,896.80 and 42,810.40 is: 64,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,931.20 : 263,896.80 = 42,810.40 : x
  2. Step 2: Convert to fraction form
    175,931.20/263,896.80 = 42,810.40/x
  3. Step 3: Cross multiply
    175,931.20x = 263,896.80 × 42,810.40
  4. Step 4: Simplify right side
    175,931.20x = 11,297,527,566.72
  5. Step 5: Solve for x
    x = 11,297,527,566.72/175,931.20
  6. Step 6: Final answer
    x = 64,215.60

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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.