Home / 155,485.44-214,547.76-87,492.96

Finding the Fourth Proportional to 155,485.44, 214,547.76 and 87,492.96

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Solution

The fourth proportional to 155,485.44, 214,547.76 and 87,492.96 is: 120,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,485.44 : 214,547.76 = 87,492.96 : x
  2. Step 2: Convert to fraction form
    155,485.44/214,547.76 = 87,492.96/x
  3. Step 3: Cross multiply
    155,485.44x = 214,547.76 × 87,492.96
  4. Step 4: Simplify right side
    155,485.44x = 18,771,418,583.77
  5. Step 5: Solve for x
    x = 18,771,418,583.77/155,485.44
  6. Step 6: Final answer
    x = 120,727.82

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Why These Related Problems?

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