Home / 155,457.08-214,511.70-98,074.76

Finding the Fourth Proportional to 155,457.08, 214,511.70 and 98,074.76

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Solution

The fourth proportional to 155,457.08, 214,511.70 and 98,074.76 is: 135,331.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,457.08 : 214,511.70 = 98,074.76 : x
  2. Step 2: Convert to fraction form
    155,457.08/214,511.70 = 98,074.76/x
  3. Step 3: Cross multiply
    155,457.08x = 214,511.70 × 98,074.76
  4. Step 4: Simplify right side
    155,457.08x = 21,038,183,494.69
  5. Step 5: Solve for x
    x = 21,038,183,494.69/155,457.08
  6. Step 6: Final answer
    x = 135,331.14

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1.5x scale

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.