Home / 102,192.73-141,026.91-56,872.63

Finding the Fourth Proportional to 102,192.73, 141,026.91 and 56,872.63

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Solution

The fourth proportional to 102,192.73, 141,026.91 and 56,872.63 is: 78,484.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,192.73 : 141,026.91 = 56,872.63 : x
  2. Step 2: Convert to fraction form
    102,192.73/141,026.91 = 56,872.63/x
  3. Step 3: Cross multiply
    102,192.73x = 141,026.91 × 56,872.63
  4. Step 4: Simplify right side
    102,192.73x = 8,020,571,272.47
  5. Step 5: Solve for x
    x = 8,020,571,272.47/102,192.73
  6. Step 6: Final answer
    x = 78,484.75

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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.