Home / 152,130.32-209,938.06-84,141.96

Finding the Fourth Proportional to 152,130.32, 209,938.06 and 84,141.96

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Solution

The fourth proportional to 152,130.32, 209,938.06 and 84,141.96 is: 116,114.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,130.32 : 209,938.06 = 84,141.96 : x
  2. Step 2: Convert to fraction form
    152,130.32/209,938.06 = 84,141.96/x
  3. Step 3: Cross multiply
    152,130.32x = 209,938.06 × 84,141.96
  4. Step 4: Simplify right side
    152,130.32x = 17,664,599,847.00
  5. Step 5: Solve for x
    x = 17,664,599,847.00/152,130.32
  6. Step 6: Final answer
    x = 116,114.92

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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.