Home / 125,070.36-172,597.14-68,485.32

Finding the Fourth Proportional to 125,070.36, 172,597.14 and 68,485.32

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Solution

The fourth proportional to 125,070.36, 172,597.14 and 68,485.32 is: 94,509.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,070.36 : 172,597.14 = 68,485.32 : x
  2. Step 2: Convert to fraction form
    125,070.36/172,597.14 = 68,485.32/x
  3. Step 3: Cross multiply
    125,070.36x = 172,597.14 × 68,485.32
  4. Step 4: Simplify right side
    125,070.36x = 11,820,370,363.98
  5. Step 5: Solve for x
    x = 11,820,370,363.98/125,070.36
  6. Step 6: Final answer
    x = 94,509.77

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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.