Home / 211,880.48-292,353.68-121,264.16

Finding the Fourth Proportional to 211,880.48, 292,353.68 and 121,264.16

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Solution

The fourth proportional to 211,880.48, 292,353.68 and 121,264.16 is: 167,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,880.48 : 292,353.68 = 121,264.16 : x
  2. Step 2: Convert to fraction form
    211,880.48/292,353.68 = 121,264.16/x
  3. Step 3: Cross multiply
    211,880.48x = 292,353.68 × 121,264.16
  4. Step 4: Simplify right side
    211,880.48x = 35,452,023,428.11
  5. Step 5: Solve for x
    x = 35,452,023,428.11/211,880.48
  6. Step 6: Final answer
    x = 167,320.86

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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.