Home / 213,070.04-319,211.40-107,637.20

Finding the Fourth Proportional to 213,070.04, 319,211.40 and 107,637.20

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Solution

The fourth proportional to 213,070.04, 319,211.40 and 107,637.20 is: 161,256.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,070.04 : 319,211.40 = 107,637.20 : x
  2. Step 2: Convert to fraction form
    213,070.04/319,211.40 = 107,637.20/x
  3. Step 3: Cross multiply
    213,070.04x = 319,211.40 × 107,637.20
  4. Step 4: Simplify right side
    213,070.04x = 34,359,021,304.08
  5. Step 5: Solve for x
    x = 34,359,021,304.08/213,070.04
  6. Step 6: Final answer
    x = 161,256.93

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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.