Home / 107,439.95-161,159.73-28,554.18

Finding the Fourth Proportional to 107,439.95, 161,159.73 and 28,554.18

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Solution

The fourth proportional to 107,439.95, 161,159.73 and 28,554.18 is: 42,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,439.95 : 161,159.73 = 28,554.18 : x
  2. Step 2: Convert to fraction form
    107,439.95/161,159.73 = 28,554.18/x
  3. Step 3: Cross multiply
    107,439.95x = 161,159.73 × 28,554.18
  4. Step 4: Simplify right side
    107,439.95x = 4,601,783,939.17
  5. Step 5: Solve for x
    x = 4,601,783,939.17/107,439.95
  6. Step 6: Final answer
    x = 42,831.22

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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.