Home / 158,911.67-238,316.88-52,271.22

Finding the Fourth Proportional to 158,911.67, 238,316.88 and 52,271.22

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Solution

The fourth proportional to 158,911.67, 238,316.88 and 52,271.22 is: 78,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,911.67 : 238,316.88 = 52,271.22 : x
  2. Step 2: Convert to fraction form
    158,911.67/238,316.88 = 52,271.22/x
  3. Step 3: Cross multiply
    158,911.67x = 238,316.88 × 52,271.22
  4. Step 4: Simplify right side
    158,911.67x = 12,457,115,153.90
  5. Step 5: Solve for x
    x = 12,457,115,153.90/158,911.67
  6. Step 6: Final answer
    x = 78,390.18

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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.