Home / 250,510.40-345,707.20-143,094.72

Finding the Fourth Proportional to 250,510.40, 345,707.20 and 143,094.72

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Solution

The fourth proportional to 250,510.40, 345,707.20 and 143,094.72 is: 197,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,510.40 : 345,707.20 = 143,094.72 : x
  2. Step 2: Convert to fraction form
    250,510.40/345,707.20 = 143,094.72/x
  3. Step 3: Cross multiply
    250,510.40x = 345,707.20 × 143,094.72
  4. Step 4: Simplify right side
    250,510.40x = 49,468,874,985.98
  5. Step 5: Solve for x
    x = 49,468,874,985.98/250,510.40
  6. Step 6: Final answer
    x = 197,472.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.