Home / 221,941.48-306,281.47-119,968.91

Finding the Fourth Proportional to 221,941.48, 306,281.47 and 119,968.91

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Solution

The fourth proportional to 221,941.48, 306,281.47 and 119,968.91 is: 165,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,941.48 : 306,281.47 = 119,968.91 : x
  2. Step 2: Convert to fraction form
    221,941.48/306,281.47 = 119,968.91/x
  3. Step 3: Cross multiply
    221,941.48x = 306,281.47 × 119,968.91
  4. Step 4: Simplify right side
    221,941.48x = 36,744,254,109.10
  5. Step 5: Solve for x
    x = 36,744,254,109.10/221,941.48
  6. Step 6: Final answer
    x = 165,558.30

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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.