Home / 163,731.48-225,944.55-99,238.89

Finding the Fourth Proportional to 163,731.48, 225,944.55 and 99,238.89

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Solution

The fourth proportional to 163,731.48, 225,944.55 and 99,238.89 is: 136,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,731.48 : 225,944.55 = 99,238.89 : x
  2. Step 2: Convert to fraction form
    163,731.48/225,944.55 = 99,238.89/x
  3. Step 3: Cross multiply
    163,731.48x = 225,944.55 × 99,238.89
  4. Step 4: Simplify right side
    163,731.48x = 22,422,486,343.55
  5. Step 5: Solve for x
    x = 22,422,486,343.55/163,731.48
  6. Step 6: Final answer
    x = 136,946.70

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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.