Home / 153,982.60-230,973.90-136,875.40

Finding the Fourth Proportional to 153,982.60, 230,973.90 and 136,875.40

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Solution

The fourth proportional to 153,982.60, 230,973.90 and 136,875.40 is: 205,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,982.60 : 230,973.90 = 136,875.40 : x
  2. Step 2: Convert to fraction form
    153,982.60/230,973.90 = 136,875.40/x
  3. Step 3: Cross multiply
    153,982.60x = 230,973.90 × 136,875.40
  4. Step 4: Simplify right side
    153,982.60x = 31,614,644,952.06
  5. Step 5: Solve for x
    x = 31,614,644,952.06/153,982.60
  6. Step 6: Final answer
    x = 205,313.10

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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.