Home / 141,036.95-194,636.04-77,376.59

Finding the Fourth Proportional to 141,036.95, 194,636.04 and 77,376.59

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Solution

The fourth proportional to 141,036.95, 194,636.04 and 77,376.59 is: 106,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,036.95 : 194,636.04 = 77,376.59 : x
  2. Step 2: Convert to fraction form
    141,036.95/194,636.04 = 77,376.59/x
  3. Step 3: Cross multiply
    141,036.95x = 194,636.04 × 77,376.59
  4. Step 4: Simplify right side
    141,036.95x = 15,060,272,679.42
  5. Step 5: Solve for x
    x = 15,060,272,679.42/141,036.95
  6. Step 6: Final answer
    x = 106,782.46

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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.