Home / 163,948.40-245,922.60-53,140.40

Finding the Fourth Proportional to 163,948.40, 245,922.60 and 53,140.40

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Solution

The fourth proportional to 163,948.40, 245,922.60 and 53,140.40 is: 79,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,948.40 : 245,922.60 = 53,140.40 : x
  2. Step 2: Convert to fraction form
    163,948.40/245,922.60 = 53,140.40/x
  3. Step 3: Cross multiply
    163,948.40x = 245,922.60 × 53,140.40
  4. Step 4: Simplify right side
    163,948.40x = 13,068,425,333.04
  5. Step 5: Solve for x
    x = 13,068,425,333.04/163,948.40
  6. Step 6: Final answer
    x = 79,710.60

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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.