Home / 187,200.40-280,800.80-46,959.03

Finding the Fourth Proportional to 187,200.40, 280,800.80 and 46,959.03

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Solution

The fourth proportional to 187,200.40, 280,800.80 and 46,959.03 is: 70,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,200.40 : 280,800.80 = 46,959.03 : x
  2. Step 2: Convert to fraction form
    187,200.40/280,800.80 = 46,959.03/x
  3. Step 3: Cross multiply
    187,200.40x = 280,800.80 × 46,959.03
  4. Step 4: Simplify right side
    187,200.40x = 13,186,133,191.22
  5. Step 5: Solve for x
    x = 13,186,133,191.22/187,200.40
  6. Step 6: Final answer
    x = 70,438.60

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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.