Home / 141,430.52-194,973.09-112,496.42

Finding the Fourth Proportional to 141,430.52, 194,973.09 and 112,496.42

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Solution

The fourth proportional to 141,430.52, 194,973.09 and 112,496.42 is: 155,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,430.52 : 194,973.09 = 112,496.42 : x
  2. Step 2: Convert to fraction form
    141,430.52/194,973.09 = 112,496.42/x
  3. Step 3: Cross multiply
    141,430.52x = 194,973.09 × 112,496.42
  4. Step 4: Simplify right side
    141,430.52x = 21,933,774,621.34
  5. Step 5: Solve for x
    x = 21,933,774,621.34/141,430.52
  6. Step 6: Final answer
    x = 155,085.16

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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.