Home / 144,273.37-216,341.95-84,319.05

Finding the Fourth Proportional to 144,273.37, 216,341.95 and 84,319.05

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Solution

The fourth proportional to 144,273.37, 216,341.95 and 84,319.05 is: 126,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,273.37 : 216,341.95 = 84,319.05 : x
  2. Step 2: Convert to fraction form
    144,273.37/216,341.95 = 84,319.05/x
  3. Step 3: Cross multiply
    144,273.37x = 216,341.95 × 84,319.05
  4. Step 4: Simplify right side
    144,273.37x = 18,241,746,518.97
  5. Step 5: Solve for x
    x = 18,241,746,518.97/144,273.37
  6. Step 6: Final answer
    x = 126,438.76

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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.