Home / 160,302.30-221,177.43-103,645.50

Finding the Fourth Proportional to 160,302.30, 221,177.43 and 103,645.50

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Solution

The fourth proportional to 160,302.30, 221,177.43 and 103,645.50 is: 143,005.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,302.30 : 221,177.43 = 103,645.50 : x
  2. Step 2: Convert to fraction form
    160,302.30/221,177.43 = 103,645.50/x
  3. Step 3: Cross multiply
    160,302.30x = 221,177.43 × 103,645.50
  4. Step 4: Simplify right side
    160,302.30x = 22,924,045,321.07
  5. Step 5: Solve for x
    x = 22,924,045,321.07/160,302.30
  6. Step 6: Final answer
    x = 143,005.09

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1.5x scale

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.