Home / 142,927.20-214,386.40-37,746.72

Finding the Fourth Proportional to 142,927.20, 214,386.40 and 37,746.72

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Solution

The fourth proportional to 142,927.20, 214,386.40 and 37,746.72 is: 56,618.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,927.20 : 214,386.40 = 37,746.72 : x
  2. Step 2: Convert to fraction form
    142,927.20/214,386.40 = 37,746.72/x
  3. Step 3: Cross multiply
    142,927.20x = 214,386.40 × 37,746.72
  4. Step 4: Simplify right side
    142,927.20x = 8,092,383,412.61
  5. Step 5: Solve for x
    x = 8,092,383,412.61/142,927.20
  6. Step 6: Final answer
    x = 56,618.92

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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.