Home / 155,457.72-214,593.12-98,085.24

Finding the Fourth Proportional to 155,457.72, 214,593.12 and 98,085.24

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Solution

The fourth proportional to 155,457.72, 214,593.12 and 98,085.24 is: 135,396.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,457.72 : 214,593.12 = 98,085.24 : x
  2. Step 2: Convert to fraction form
    155,457.72/214,593.12 = 98,085.24/x
  3. Step 3: Cross multiply
    155,457.72x = 214,593.12 × 98,085.24
  4. Step 4: Simplify right side
    155,457.72x = 21,048,417,677.55
  5. Step 5: Solve for x
    x = 21,048,417,677.55/155,457.72
  6. Step 6: Final answer
    x = 135,396.41

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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.