Home / 219,344.45-302,689.77-122,549.05

Finding the Fourth Proportional to 219,344.45, 302,689.77 and 122,549.05

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Solution

The fourth proportional to 219,344.45, 302,689.77 and 122,549.05 is: 169,114.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,344.45 : 302,689.77 = 122,549.05 : x
  2. Step 2: Convert to fraction form
    219,344.45/302,689.77 = 122,549.05/x
  3. Step 3: Cross multiply
    219,344.45x = 302,689.77 × 122,549.05
  4. Step 4: Simplify right side
    219,344.45x = 37,094,343,758.22
  5. Step 5: Solve for x
    x = 37,094,343,758.22/219,344.45
  6. Step 6: Final answer
    x = 169,114.58

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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.