Home / 155,159.41-214,120.18-87,176.35

Finding the Fourth Proportional to 155,159.41, 214,120.18 and 87,176.35

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Solution

The fourth proportional to 155,159.41, 214,120.18 and 87,176.35 is: 120,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,159.41 : 214,120.18 = 87,176.35 : x
  2. Step 2: Convert to fraction form
    155,159.41/214,120.18 = 87,176.35/x
  3. Step 3: Cross multiply
    155,159.41x = 214,120.18 × 87,176.35
  4. Step 4: Simplify right side
    155,159.41x = 18,666,214,247.26
  5. Step 5: Solve for x
    x = 18,666,214,247.26/155,159.41
  6. Step 6: Final answer
    x = 120,303.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.