Home / 163,711.36-245,570.40-51,389.28

Finding the Fourth Proportional to 163,711.36, 245,570.40 and 51,389.28

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Solution

The fourth proportional to 163,711.36, 245,570.40 and 51,389.28 is: 77,084.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,711.36 : 245,570.40 = 51,389.28 : x
  2. Step 2: Convert to fraction form
    163,711.36/245,570.40 = 51,389.28/x
  3. Step 3: Cross multiply
    163,711.36x = 245,570.40 × 51,389.28
  4. Step 4: Simplify right side
    163,711.36x = 12,619,686,045.31
  5. Step 5: Solve for x
    x = 12,619,686,045.31/163,711.36
  6. Step 6: Final answer
    x = 77,084.97

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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.