Home / 155,680.08-214,756.64-98,298.66

Finding the Fourth Proportional to 155,680.08, 214,756.64 and 98,298.66

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Solution

The fourth proportional to 155,680.08, 214,756.64 and 98,298.66 is: 135,600.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,680.08 : 214,756.64 = 98,298.66 : x
  2. Step 2: Convert to fraction form
    155,680.08/214,756.64 = 98,298.66/x
  3. Step 3: Cross multiply
    155,680.08x = 214,756.64 × 98,298.66
  4. Step 4: Simplify right side
    155,680.08x = 21,110,289,938.10
  5. Step 5: Solve for x
    x = 21,110,289,938.10/155,680.08
  6. Step 6: Final answer
    x = 135,600.46

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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.