Home / 126,989.44-175,250.93-70,400.81

Finding the Fourth Proportional to 126,989.44, 175,250.93 and 70,400.81

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Solution

The fourth proportional to 126,989.44, 175,250.93 and 70,400.81 is: 97,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,989.44 : 175,250.93 = 70,400.81 : x
  2. Step 2: Convert to fraction form
    126,989.44/175,250.93 = 70,400.81/x
  3. Step 3: Cross multiply
    126,989.44x = 175,250.93 × 70,400.81
  4. Step 4: Simplify right side
    126,989.44x = 12,337,807,511.38
  5. Step 5: Solve for x
    x = 12,337,807,511.38/126,989.44
  6. Step 6: Final answer
    x = 97,156.17

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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.