Home / 212,048.02-292,646.43-121,411.18

Finding the Fourth Proportional to 212,048.02, 292,646.43 and 121,411.18

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Solution

The fourth proportional to 212,048.02, 292,646.43 and 121,411.18 is: 167,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,048.02 : 292,646.43 = 121,411.18 : x
  2. Step 2: Convert to fraction form
    212,048.02/292,646.43 = 121,411.18/x
  3. Step 3: Cross multiply
    212,048.02x = 292,646.43 × 121,411.18
  4. Step 4: Simplify right side
    212,048.02x = 35,530,548,389.09
  5. Step 5: Solve for x
    x = 35,530,548,389.09/212,048.02
  6. Step 6: Final answer
    x = 167,558.97

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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.