Home / 125,279.84-172,897.08-68,702.24

Finding the Fourth Proportional to 125,279.84, 172,897.08 and 68,702.24

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Solution

The fourth proportional to 125,279.84, 172,897.08 and 68,702.24 is: 94,815.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,279.84 : 172,897.08 = 68,702.24 : x
  2. Step 2: Convert to fraction form
    125,279.84/172,897.08 = 68,702.24/x
  3. Step 3: Cross multiply
    125,279.84x = 172,897.08 × 68,702.24
  4. Step 4: Simplify right side
    125,279.84x = 11,878,416,685.46
  5. Step 5: Solve for x
    x = 11,878,416,685.46/125,279.84
  6. Step 6: Final answer
    x = 94,815.07

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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.