Home / 142,313.94-213,398.39-47,510.07

Finding the Fourth Proportional to 142,313.94, 213,398.39 and 47,510.07

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Solution

The fourth proportional to 142,313.94, 213,398.39 and 47,510.07 is: 71,240.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,313.94 : 213,398.39 = 47,510.07 : x
  2. Step 2: Convert to fraction form
    142,313.94/213,398.39 = 47,510.07/x
  3. Step 3: Cross multiply
    142,313.94x = 213,398.39 × 47,510.07
  4. Step 4: Simplify right side
    142,313.94x = 10,138,572,031.45
  5. Step 5: Solve for x
    x = 10,138,572,031.45/142,313.94
  6. Step 6: Final answer
    x = 71,240.89

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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.