Home / 131,114.16-180,937.08-74,525.40

Finding the Fourth Proportional to 131,114.16, 180,937.08 and 74,525.40

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Solution

The fourth proportional to 131,114.16, 180,937.08 and 74,525.40 is: 102,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,114.16 : 180,937.08 = 74,525.40 : x
  2. Step 2: Convert to fraction form
    131,114.16/180,937.08 = 74,525.40/x
  3. Step 3: Cross multiply
    131,114.16x = 180,937.08 × 74,525.40
  4. Step 4: Simplify right side
    131,114.16x = 13,484,408,261.83
  5. Step 5: Solve for x
    x = 13,484,408,261.83/131,114.16
  6. Step 6: Final answer
    x = 102,844.79

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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.