Home / 316,148.04-474,222.06-129,159.54

Finding the Fourth Proportional to 316,148.04, 474,222.06 and 129,159.54

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Solution

The fourth proportional to 316,148.04, 474,222.06 and 129,159.54 is: 193,739.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,148.04 : 474,222.06 = 129,159.54 : x
  2. Step 2: Convert to fraction form
    316,148.04/474,222.06 = 129,159.54/x
  3. Step 3: Cross multiply
    316,148.04x = 474,222.06 × 129,159.54
  4. Step 4: Simplify right side
    316,148.04x = 61,250,303,127.45
  5. Step 5: Solve for x
    x = 61,250,303,127.45/316,148.04
  6. Step 6: Final answer
    x = 193,739.31

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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.