Home / 124,970.25-172,458.95-68,381.63

Finding the Fourth Proportional to 124,970.25, 172,458.95 and 68,381.63

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Solution

The fourth proportional to 124,970.25, 172,458.95 and 68,381.63 is: 94,366.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,970.25 : 172,458.95 = 68,381.63 : x
  2. Step 2: Convert to fraction form
    124,970.25/172,458.95 = 68,381.63/x
  3. Step 3: Cross multiply
    124,970.25x = 172,458.95 × 68,381.63
  4. Step 4: Simplify right side
    124,970.25x = 11,793,022,904.89
  5. Step 5: Solve for x
    x = 11,793,022,904.89/124,970.25
  6. Step 6: Final answer
    x = 94,366.64

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1.5x scale

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.