Home / 109,256.68-150,774.54-61,510.76

Finding the Fourth Proportional to 109,256.68, 150,774.54 and 61,510.76

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Solution

The fourth proportional to 109,256.68, 150,774.54 and 61,510.76 is: 84,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,256.68 : 150,774.54 = 61,510.76 : x
  2. Step 2: Convert to fraction form
    109,256.68/150,774.54 = 61,510.76/x
  3. Step 3: Cross multiply
    109,256.68x = 150,774.54 × 61,510.76
  4. Step 4: Simplify right side
    109,256.68x = 9,274,256,544.05
  5. Step 5: Solve for x
    x = 9,274,256,544.05/109,256.68
  6. Step 6: Final answer
    x = 84,885.03

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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.