Home / 129,943.63-179,322.15-70,327.63

Finding the Fourth Proportional to 129,943.63, 179,322.15 and 70,327.63

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Solution

The fourth proportional to 129,943.63, 179,322.15 and 70,327.63 is: 97,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,943.63 : 179,322.15 = 70,327.63 : x
  2. Step 2: Convert to fraction form
    129,943.63/179,322.15 = 70,327.63/x
  3. Step 3: Cross multiply
    129,943.63x = 179,322.15 × 70,327.63
  4. Step 4: Simplify right side
    129,943.63x = 12,611,301,816.00
  5. Step 5: Solve for x
    x = 12,611,301,816.00/129,943.63
  6. Step 6: Final answer
    x = 97,052.10

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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.