Home / 163,918.40-245,877.60-53,110.40

Finding the Fourth Proportional to 163,918.40, 245,877.60 and 53,110.40

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Solution

The fourth proportional to 163,918.40, 245,877.60 and 53,110.40 is: 79,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,918.40 : 245,877.60 = 53,110.40 : x
  2. Step 2: Convert to fraction form
    163,918.40/245,877.60 = 53,110.40/x
  3. Step 3: Cross multiply
    163,918.40x = 245,877.60 × 53,110.40
  4. Step 4: Simplify right side
    163,918.40x = 13,058,657,687.04
  5. Step 5: Solve for x
    x = 13,058,657,687.04/163,918.40
  6. Step 6: Final answer
    x = 79,665.60

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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.