Home / 112,325.28-155,003.11-61,328.18

Finding the Fourth Proportional to 112,325.28, 155,003.11 and 61,328.18

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Solution

The fourth proportional to 112,325.28, 155,003.11 and 61,328.18 is: 84,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,325.28 : 155,003.11 = 61,328.18 : x
  2. Step 2: Convert to fraction form
    112,325.28/155,003.11 = 61,328.18/x
  3. Step 3: Cross multiply
    112,325.28x = 155,003.11 × 61,328.18
  4. Step 4: Simplify right side
    112,325.28x = 9,506,059,037.31
  5. Step 5: Solve for x
    x = 9,506,059,037.31/112,325.28
  6. Step 6: Final answer
    x = 84,629.74

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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.