Home / 109,020.46-150,444.30-61,276.42

Finding the Fourth Proportional to 109,020.46, 150,444.30 and 61,276.42

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Solution

The fourth proportional to 109,020.46, 150,444.30 and 61,276.42 is: 84,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,020.46 : 150,444.30 = 61,276.42 : x
  2. Step 2: Convert to fraction form
    109,020.46/150,444.30 = 61,276.42/x
  3. Step 3: Cross multiply
    109,020.46x = 150,444.30 × 61,276.42
  4. Step 4: Simplify right side
    109,020.46x = 9,218,688,113.41
  5. Step 5: Solve for x
    x = 9,218,688,113.41/109,020.46
  6. Step 6: Final answer
    x = 84,559.25

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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.