Home / 163,700.30-245,533.80-51,381.38

Finding the Fourth Proportional to 163,700.30, 245,533.80 and 51,381.38

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Solution

The fourth proportional to 163,700.30, 245,533.80 and 51,381.38 is: 77,066.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,700.30 : 245,533.80 = 51,381.38 : x
  2. Step 2: Convert to fraction form
    163,700.30/245,533.80 = 51,381.38/x
  3. Step 3: Cross multiply
    163,700.30x = 245,533.80 × 51,381.38
  4. Step 4: Simplify right side
    163,700.30x = 12,615,865,480.64
  5. Step 5: Solve for x
    x = 12,615,865,480.64/163,700.30
  6. Step 6: Final answer
    x = 77,066.84

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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.