Home / 213,264.18-319,895.36-86,876.24

Finding the Fourth Proportional to 213,264.18, 319,895.36 and 86,876.24

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Solution

The fourth proportional to 213,264.18, 319,895.36 and 86,876.24 is: 130,313.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,264.18 : 319,895.36 = 86,876.24 : x
  2. Step 2: Convert to fraction form
    213,264.18/319,895.36 = 86,876.24/x
  3. Step 3: Cross multiply
    213,264.18x = 319,895.36 × 86,876.24
  4. Step 4: Simplify right side
    213,264.18x = 27,791,304,036.39
  5. Step 5: Solve for x
    x = 27,791,304,036.39/213,264.18
  6. Step 6: Final answer
    x = 130,313.98

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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.