Home / 161,806.07-242,518.48-72,955.55

Finding the Fourth Proportional to 161,806.07, 242,518.48 and 72,955.55

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Solution

The fourth proportional to 161,806.07, 242,518.48 and 72,955.55 is: 109,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,806.07 : 242,518.48 = 72,955.55 : x
  2. Step 2: Convert to fraction form
    161,806.07/242,518.48 = 72,955.55/x
  3. Step 3: Cross multiply
    161,806.07x = 242,518.48 × 72,955.55
  4. Step 4: Simplify right side
    161,806.07x = 17,693,069,093.56
  5. Step 5: Solve for x
    x = 17,693,069,093.56/161,806.07
  6. Step 6: Final answer
    x = 109,347.38

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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.