Home / 109,153.35-150,620.23-61,402.63

Finding the Fourth Proportional to 109,153.35, 150,620.23 and 61,402.63

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Solution

The fourth proportional to 109,153.35, 150,620.23 and 61,402.63 is: 84,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,153.35 : 150,620.23 = 61,402.63 : x
  2. Step 2: Convert to fraction form
    109,153.35/150,620.23 = 61,402.63/x
  3. Step 3: Cross multiply
    109,153.35x = 150,620.23 × 61,402.63
  4. Step 4: Simplify right side
    109,153.35x = 9,248,478,253.20
  5. Step 5: Solve for x
    x = 9,248,478,253.20/109,153.35
  6. Step 6: Final answer
    x = 84,729.22

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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.