Home / 148,056.29-204,312.25-84,381.78

Finding the Fourth Proportional to 148,056.29, 204,312.25 and 84,381.78

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Solution

The fourth proportional to 148,056.29, 204,312.25 and 84,381.78 is: 116,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,056.29 : 204,312.25 = 84,381.78 : x
  2. Step 2: Convert to fraction form
    148,056.29/204,312.25 = 84,381.78/x
  3. Step 3: Cross multiply
    148,056.29x = 204,312.25 × 84,381.78
  4. Step 4: Simplify right side
    148,056.29x = 17,240,231,330.81
  5. Step 5: Solve for x
    x = 17,240,231,330.81/148,056.29
  6. Step 6: Final answer
    x = 116,443.76

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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.