Home / 158,352.30-218,526.66-86,735.34

Finding the Fourth Proportional to 158,352.30, 218,526.66 and 86,735.34

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Solution

The fourth proportional to 158,352.30, 218,526.66 and 86,735.34 is: 119,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,352.30 : 218,526.66 = 86,735.34 : x
  2. Step 2: Convert to fraction form
    158,352.30/218,526.66 = 86,735.34/x
  3. Step 3: Cross multiply
    158,352.30x = 218,526.66 × 86,735.34
  4. Step 4: Simplify right side
    158,352.30x = 18,953,984,154.16
  5. Step 5: Solve for x
    x = 18,953,984,154.16/158,352.30
  6. Step 6: Final answer
    x = 119,695.04

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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.