Home / 125,166.95-172,729.64-67,807.35

Finding the Fourth Proportional to 125,166.95, 172,729.64 and 67,807.35

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Solution

The fourth proportional to 125,166.95, 172,729.64 and 67,807.35 is: 93,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,166.95 : 172,729.64 = 67,807.35 : x
  2. Step 2: Convert to fraction form
    125,166.95/172,729.64 = 67,807.35/x
  3. Step 3: Cross multiply
    125,166.95x = 172,729.64 × 67,807.35
  4. Step 4: Simplify right side
    125,166.95x = 11,712,338,815.82
  5. Step 5: Solve for x
    x = 11,712,338,815.82/125,166.95
  6. Step 6: Final answer
    x = 93,573.74

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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.