Home / 187,146.86-280,636.90-53,995.46

Finding the Fourth Proportional to 187,146.86, 280,636.90 and 53,995.46

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Solution

The fourth proportional to 187,146.86, 280,636.90 and 53,995.46 is: 80,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,146.86 : 280,636.90 = 53,995.46 : x
  2. Step 2: Convert to fraction form
    187,146.86/280,636.90 = 53,995.46/x
  3. Step 3: Cross multiply
    187,146.86x = 280,636.90 × 53,995.46
  4. Step 4: Simplify right side
    187,146.86x = 15,153,118,852.61
  5. Step 5: Solve for x
    x = 15,153,118,852.61/187,146.86
  6. Step 6: Final answer
    x = 80,969.13

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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.