Home / 163,681.16-245,532.12-51,365.81

Finding the Fourth Proportional to 163,681.16, 245,532.12 and 51,365.81

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Solution

The fourth proportional to 163,681.16, 245,532.12 and 51,365.81 is: 77,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,681.16 : 245,532.12 = 51,365.81 : x
  2. Step 2: Convert to fraction form
    163,681.16/245,532.12 = 51,365.81/x
  3. Step 3: Cross multiply
    163,681.16x = 245,532.12 × 51,365.81
  4. Step 4: Simplify right side
    163,681.16x = 12,611,954,740.33
  5. Step 5: Solve for x
    x = 12,611,954,740.33/163,681.16
  6. Step 6: Final answer
    x = 77,051.97

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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.