Home / 131,705.04-181,752.48-75,116.28

Finding the Fourth Proportional to 131,705.04, 181,752.48 and 75,116.28

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Solution

The fourth proportional to 131,705.04, 181,752.48 and 75,116.28 is: 103,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,705.04 : 181,752.48 = 75,116.28 : x
  2. Step 2: Convert to fraction form
    131,705.04/181,752.48 = 75,116.28/x
  3. Step 3: Cross multiply
    131,705.04x = 181,752.48 × 75,116.28
  4. Step 4: Simplify right side
    131,705.04x = 13,652,570,178.37
  5. Step 5: Solve for x
    x = 13,652,570,178.37/131,705.04
  6. Step 6: Final answer
    x = 103,660.20

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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.