Home / 141,864.81-195,769.74-77,335.32

Finding the Fourth Proportional to 141,864.81, 195,769.74 and 77,335.32

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Solution

The fourth proportional to 141,864.81, 195,769.74 and 77,335.32 is: 106,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,864.81 : 195,769.74 = 77,335.32 : x
  2. Step 2: Convert to fraction form
    141,864.81/195,769.74 = 77,335.32/x
  3. Step 3: Cross multiply
    141,864.81x = 195,769.74 × 77,335.32
  4. Step 4: Simplify right side
    141,864.81x = 15,139,916,513.36
  5. Step 5: Solve for x
    x = 15,139,916,513.36/141,864.81
  6. Step 6: Final answer
    x = 106,720.74

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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.