Home / 144,154.06-198,803.55-90,444.94

Finding the Fourth Proportional to 144,154.06, 198,803.55 and 90,444.94

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Solution

The fourth proportional to 144,154.06, 198,803.55 and 90,444.94 is: 124,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,154.06 : 198,803.55 = 90,444.94 : x
  2. Step 2: Convert to fraction form
    144,154.06/198,803.55 = 90,444.94/x
  3. Step 3: Cross multiply
    144,154.06x = 198,803.55 × 90,444.94
  4. Step 4: Simplify right side
    144,154.06x = 17,980,775,151.54
  5. Step 5: Solve for x
    x = 17,980,775,151.54/144,154.06
  6. Step 6: Final answer
    x = 124,733.05

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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.