Home / 158,829.60-219,196.35-105,021.30

Finding the Fourth Proportional to 158,829.60, 219,196.35 and 105,021.30

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Solution

The fourth proportional to 158,829.60, 219,196.35 and 105,021.30 is: 144,937.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,829.60 : 219,196.35 = 105,021.30 : x
  2. Step 2: Convert to fraction form
    158,829.60/219,196.35 = 105,021.30/x
  3. Step 3: Cross multiply
    158,829.60x = 219,196.35 × 105,021.30
  4. Step 4: Simplify right side
    158,829.60x = 23,020,285,632.26
  5. Step 5: Solve for x
    x = 23,020,285,632.26/158,829.60
  6. Step 6: Final answer
    x = 144,937.00

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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.