Home / 142,879.47-214,302.78-37,706.64

Finding the Fourth Proportional to 142,879.47, 214,302.78 and 37,706.64

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Solution

The fourth proportional to 142,879.47, 214,302.78 and 37,706.64 is: 56,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,879.47 : 214,302.78 = 37,706.64 : x
  2. Step 2: Convert to fraction form
    142,879.47/214,302.78 = 37,706.64/x
  3. Step 3: Cross multiply
    142,879.47x = 214,302.78 × 37,706.64
  4. Step 4: Simplify right side
    142,879.47x = 8,080,637,776.46
  5. Step 5: Solve for x
    x = 8,080,637,776.46/142,879.47
  6. Step 6: Final answer
    x = 56,555.63

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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.