Home / 147,071.09-220,533.77-52,287.08

Finding the Fourth Proportional to 147,071.09, 220,533.77 and 52,287.08

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Solution

The fourth proportional to 147,071.09, 220,533.77 and 52,287.08 is: 78,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,071.09 : 220,533.77 = 52,287.08 : x
  2. Step 2: Convert to fraction form
    147,071.09/220,533.77 = 52,287.08/x
  3. Step 3: Cross multiply
    147,071.09x = 220,533.77 × 52,287.08
  4. Step 4: Simplify right side
    147,071.09x = 11,531,065,902.74
  5. Step 5: Solve for x
    x = 11,531,065,902.74/147,071.09
  6. Step 6: Final answer
    x = 78,404.71

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1.5x scale

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.