Home / 139,001.02-191,816.22-75,337.46

Finding the Fourth Proportional to 139,001.02, 191,816.22 and 75,337.46

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Solution

The fourth proportional to 139,001.02, 191,816.22 and 75,337.46 is: 103,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,001.02 : 191,816.22 = 75,337.46 : x
  2. Step 2: Convert to fraction form
    139,001.02/191,816.22 = 75,337.46/x
  3. Step 3: Cross multiply
    139,001.02x = 191,816.22 × 75,337.46
  4. Step 4: Simplify right side
    139,001.02x = 14,450,946,801.60
  5. Step 5: Solve for x
    x = 14,450,946,801.60/139,001.02
  6. Step 6: Final answer
    x = 103,962.88

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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.