Home / 141,045.36-194,483.04-89,989.92

Finding the Fourth Proportional to 141,045.36, 194,483.04 and 89,989.92

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Solution

The fourth proportional to 141,045.36, 194,483.04 and 89,989.92 is: 124,084.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,045.36 : 194,483.04 = 89,989.92 : x
  2. Step 2: Convert to fraction form
    141,045.36/194,483.04 = 89,989.92/x
  3. Step 3: Cross multiply
    141,045.36x = 194,483.04 × 89,989.92
  4. Step 4: Simplify right side
    141,045.36x = 17,501,513,210.96
  5. Step 5: Solve for x
    x = 17,501,513,210.96/141,045.36
  6. Step 6: Final answer
    x = 124,084.29

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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.