Home / 211,970.40-292,520.64-116,479.20

Finding the Fourth Proportional to 211,970.40, 292,520.64 and 116,479.20

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Solution

The fourth proportional to 211,970.40, 292,520.64 and 116,479.20 is: 160,742.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,970.40 : 292,520.64 = 116,479.20 : x
  2. Step 2: Convert to fraction form
    211,970.40/292,520.64 = 116,479.20/x
  3. Step 3: Cross multiply
    211,970.40x = 292,520.64 × 116,479.20
  4. Step 4: Simplify right side
    211,970.40x = 34,072,570,130.69
  5. Step 5: Solve for x
    x = 34,072,570,130.69/211,970.40
  6. Step 6: Final answer
    x = 160,742.11

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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.