Home / 212,898.40-319,557.70-113,058.31

Finding the Fourth Proportional to 212,898.40, 319,557.70 and 113,058.31

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Solution

The fourth proportional to 212,898.40, 319,557.70 and 113,058.31 is: 169,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,898.40 : 319,557.70 = 113,058.31 : x
  2. Step 2: Convert to fraction form
    212,898.40/319,557.70 = 113,058.31/x
  3. Step 3: Cross multiply
    212,898.40x = 319,557.70 × 113,058.31
  4. Step 4: Simplify right side
    212,898.40x = 36,128,653,509.49
  5. Step 5: Solve for x
    x = 36,128,653,509.49/212,898.40
  6. Step 6: Final answer
    x = 169,699.04

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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.