Home / 187,186.52-257,666.46-163,271.54

Finding the Fourth Proportional to 187,186.52, 257,666.46 and 163,271.54

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Solution

The fourth proportional to 187,186.52, 257,666.46 and 163,271.54 is: 224,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,186.52 : 257,666.46 = 163,271.54 : x
  2. Step 2: Convert to fraction form
    187,186.52/257,666.46 = 163,271.54/x
  3. Step 3: Cross multiply
    187,186.52x = 257,666.46 × 163,271.54
  4. Step 4: Simplify right side
    187,186.52x = 42,069,599,730.55
  5. Step 5: Solve for x
    x = 42,069,599,730.55/187,186.52
  6. Step 6: Final answer
    x = 224,746.95

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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.