Home / 129,944.63-179,323.53-70,328.63

Finding the Fourth Proportional to 129,944.63, 179,323.53 and 70,328.63

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Solution

The fourth proportional to 129,944.63, 179,323.53 and 70,328.63 is: 97,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,944.63 : 179,323.53 = 70,328.63 : x
  2. Step 2: Convert to fraction form
    129,944.63/179,323.53 = 70,328.63/x
  3. Step 3: Cross multiply
    129,944.63x = 179,323.53 × 70,328.63
  4. Step 4: Simplify right side
    129,944.63x = 12,611,578,191.66
  5. Step 5: Solve for x
    x = 12,611,578,191.66/129,944.63
  6. Step 6: Final answer
    x = 97,053.48

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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.