Home / 131,011.08-180,777.06-73,642.32

Finding the Fourth Proportional to 131,011.08, 180,777.06 and 73,642.32

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Solution

The fourth proportional to 131,011.08, 180,777.06 and 73,642.32 is: 101,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,011.08 : 180,777.06 = 73,642.32 : x
  2. Step 2: Convert to fraction form
    131,011.08/180,777.06 = 73,642.32/x
  3. Step 3: Cross multiply
    131,011.08x = 180,777.06 × 73,642.32
  4. Step 4: Simplify right side
    131,011.08x = 13,312,842,101.18
  5. Step 5: Solve for x
    x = 13,312,842,101.18/131,011.08
  6. Step 6: Final answer
    x = 101,616.15

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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.