Home / 142,517.07-213,703.88-47,714.27

Finding the Fourth Proportional to 142,517.07, 213,703.88 and 47,714.27

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Solution

The fourth proportional to 142,517.07, 213,703.88 and 47,714.27 is: 71,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,517.07 : 213,703.88 = 47,714.27 : x
  2. Step 2: Convert to fraction form
    142,517.07/213,703.88 = 47,714.27/x
  3. Step 3: Cross multiply
    142,517.07x = 213,703.88 × 47,714.27
  4. Step 4: Simplify right side
    142,517.07x = 10,196,723,323.28
  5. Step 5: Solve for x
    x = 10,196,723,323.28/142,517.07
  6. Step 6: Final answer
    x = 71,547.38

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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.