Home / 177,779.40-245,335.80-101,295.15

Finding the Fourth Proportional to 177,779.40, 245,335.80 and 101,295.15

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Solution

The fourth proportional to 177,779.40, 245,335.80 and 101,295.15 is: 139,787.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,779.40 : 245,335.80 = 101,295.15 : x
  2. Step 2: Convert to fraction form
    177,779.40/245,335.80 = 101,295.15/x
  3. Step 3: Cross multiply
    177,779.40x = 245,335.80 × 101,295.15
  4. Step 4: Simplify right side
    177,779.40x = 24,851,326,661.37
  5. Step 5: Solve for x
    x = 24,851,326,661.37/177,779.40
  6. Step 6: Final answer
    x = 139,787.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.