Home / 213,124.02-319,461.12-70,931.07

Finding the Fourth Proportional to 213,124.02, 319,461.12 and 70,931.07

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Solution

The fourth proportional to 213,124.02, 319,461.12 and 70,931.07 is: 106,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,124.02 : 319,461.12 = 70,931.07 : x
  2. Step 2: Convert to fraction form
    213,124.02/319,461.12 = 70,931.07/x
  3. Step 3: Cross multiply
    213,124.02x = 319,461.12 × 70,931.07
  4. Step 4: Simplify right side
    213,124.02x = 22,659,719,065.00
  5. Step 5: Solve for x
    x = 22,659,719,065.00/213,124.02
  6. Step 6: Final answer
    x = 106,321.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.