Home / 119,901.12-179,852.80-53,323.20

Finding the Fourth Proportional to 119,901.12, 179,852.80 and 53,323.20

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Solution

The fourth proportional to 119,901.12, 179,852.80 and 53,323.20 is: 79,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,901.12 : 179,852.80 = 53,323.20 : x
  2. Step 2: Convert to fraction form
    119,901.12/179,852.80 = 53,323.20/x
  3. Step 3: Cross multiply
    119,901.12x = 179,852.80 × 53,323.20
  4. Step 4: Simplify right side
    119,901.12x = 9,590,326,824.96
  5. Step 5: Solve for x
    x = 9,590,326,824.96/119,901.12
  6. Step 6: Final answer
    x = 79,985.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.