Home / 142,421.83-213,644.93-37,240.63

Finding the Fourth Proportional to 142,421.83, 213,644.93 and 37,240.63

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Solution

The fourth proportional to 142,421.83, 213,644.93 and 37,240.63 is: 55,864.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,421.83 : 213,644.93 = 37,240.63 : x
  2. Step 2: Convert to fraction form
    142,421.83/213,644.93 = 37,240.63/x
  3. Step 3: Cross multiply
    142,421.83x = 213,644.93 × 37,240.63
  4. Step 4: Simplify right side
    142,421.83x = 7,956,271,789.51
  5. Step 5: Solve for x
    x = 7,956,271,789.51/142,421.83
  6. Step 6: Final answer
    x = 55,864.13

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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.