Home / 126,384.36-189,504.18-101,470.40

Finding the Fourth Proportional to 126,384.36, 189,504.18 and 101,470.40

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Solution

The fourth proportional to 126,384.36, 189,504.18 and 101,470.40 is: 152,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,384.36 : 189,504.18 = 101,470.40 : x
  2. Step 2: Convert to fraction form
    126,384.36/189,504.18 = 101,470.40/x
  3. Step 3: Cross multiply
    126,384.36x = 189,504.18 × 101,470.40
  4. Step 4: Simplify right side
    126,384.36x = 19,229,064,946.27
  5. Step 5: Solve for x
    x = 19,229,064,946.27/126,384.36
  6. Step 6: Final answer
    x = 152,147.50

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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.