Home / 142,210.36-212,688.10-126,525.48

Finding the Fourth Proportional to 142,210.36, 212,688.10 and 126,525.48

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Solution

The fourth proportional to 142,210.36, 212,688.10 and 126,525.48 is: 189,229.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,210.36 : 212,688.10 = 126,525.48 : x
  2. Step 2: Convert to fraction form
    142,210.36/212,688.10 = 126,525.48/x
  3. Step 3: Cross multiply
    142,210.36x = 212,688.10 × 126,525.48
  4. Step 4: Simplify right side
    142,210.36x = 26,910,463,942.79
  5. Step 5: Solve for x
    x = 26,910,463,942.79/142,210.36
  6. Step 6: Final answer
    x = 189,229.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.