Home / 144,316.48-199,157.06-80,654.28

Finding the Fourth Proportional to 144,316.48, 199,157.06 and 80,654.28

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Solution

The fourth proportional to 144,316.48, 199,157.06 and 80,654.28 is: 111,303.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,316.48 : 199,157.06 = 80,654.28 : x
  2. Step 2: Convert to fraction form
    144,316.48/199,157.06 = 80,654.28/x
  3. Step 3: Cross multiply
    144,316.48x = 199,157.06 × 80,654.28
  4. Step 4: Simplify right side
    144,316.48x = 16,062,869,281.22
  5. Step 5: Solve for x
    x = 16,062,869,281.22/144,316.48
  6. Step 6: Final answer
    x = 111,303.08

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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.