Home / 142,094.28-213,117.20-47,313.72

Finding the Fourth Proportional to 142,094.28, 213,117.20 and 47,313.72

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Solution

The fourth proportional to 142,094.28, 213,117.20 and 47,313.72 is: 70,962.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,094.28 : 213,117.20 = 47,313.72 : x
  2. Step 2: Convert to fraction form
    142,094.28/213,117.20 = 47,313.72/x
  3. Step 3: Cross multiply
    142,094.28x = 213,117.20 × 47,313.72
  4. Step 4: Simplify right side
    142,094.28x = 10,083,366,225.83
  5. Step 5: Solve for x
    x = 10,083,366,225.83/142,094.28
  6. Step 6: Final answer
    x = 70,962.51

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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.