Home / 112,328.57-154,875.44-69,813.29

Finding the Fourth Proportional to 112,328.57, 154,875.44 and 69,813.29

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Solution

The fourth proportional to 112,328.57, 154,875.44 and 69,813.29 is: 96,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,328.57 : 154,875.44 = 69,813.29 : x
  2. Step 2: Convert to fraction form
    112,328.57/154,875.44 = 69,813.29/x
  3. Step 3: Cross multiply
    112,328.57x = 154,875.44 × 69,813.29
  4. Step 4: Simplify right side
    112,328.57x = 10,812,364,568.32
  5. Step 5: Solve for x
    x = 10,812,364,568.32/112,328.57
  6. Step 6: Final answer
    x = 96,256.58

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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.