Home / 199,328.15-275,139.50-118,780.94

Finding the Fourth Proportional to 199,328.15, 275,139.50 and 118,780.94

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Solution

The fourth proportional to 199,328.15, 275,139.50 and 118,780.94 is: 163,957.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,328.15 : 275,139.50 = 118,780.94 : x
  2. Step 2: Convert to fraction form
    199,328.15/275,139.50 = 118,780.94/x
  3. Step 3: Cross multiply
    199,328.15x = 275,139.50 × 118,780.94
  4. Step 4: Simplify right side
    199,328.15x = 32,681,326,471.53
  5. Step 5: Solve for x
    x = 32,681,326,471.53/199,328.15
  6. Step 6: Final answer
    x = 163,957.41

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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.