Home / 144,087.59-216,131.39-49,319.01

Finding the Fourth Proportional to 144,087.59, 216,131.39 and 49,319.01

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Solution

The fourth proportional to 144,087.59, 216,131.39 and 49,319.01 is: 73,978.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,087.59 : 216,131.39 = 49,319.01 : x
  2. Step 2: Convert to fraction form
    144,087.59/216,131.39 = 49,319.01/x
  3. Step 3: Cross multiply
    144,087.59x = 216,131.39 × 49,319.01
  4. Step 4: Simplify right side
    144,087.59x = 10,659,386,123.08
  5. Step 5: Solve for x
    x = 10,659,386,123.08/144,087.59
  6. Step 6: Final answer
    x = 73,978.52

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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.