Home / 125,968.15-173,823.15-77,562.40

Finding the Fourth Proportional to 125,968.15, 173,823.15 and 77,562.40

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Solution

The fourth proportional to 125,968.15, 173,823.15 and 77,562.40 is: 107,028.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,968.15 : 173,823.15 = 77,562.40 : x
  2. Step 2: Convert to fraction form
    125,968.15/173,823.15 = 77,562.40/x
  3. Step 3: Cross multiply
    125,968.15x = 173,823.15 × 77,562.40
  4. Step 4: Simplify right side
    125,968.15x = 13,482,140,689.56
  5. Step 5: Solve for x
    x = 13,482,140,689.56/125,968.15
  6. Step 6: Final answer
    x = 107,028.17

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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.