Home / 144,527.10-216,790.65-91,974.30

Finding the Fourth Proportional to 144,527.10, 216,790.65 and 91,974.30

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Solution

The fourth proportional to 144,527.10, 216,790.65 and 91,974.30 is: 137,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,527.10 : 216,790.65 = 91,974.30 : x
  2. Step 2: Convert to fraction form
    144,527.10/216,790.65 = 91,974.30/x
  3. Step 3: Cross multiply
    144,527.10x = 216,790.65 × 91,974.30
  4. Step 4: Simplify right side
    144,527.10x = 19,939,168,280.30
  5. Step 5: Solve for x
    x = 19,939,168,280.30/144,527.10
  6. Step 6: Final answer
    x = 137,961.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.