Home / 153,921.40-230,882.10-142,111.60

Finding the Fourth Proportional to 153,921.40, 230,882.10 and 142,111.60

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Solution

The fourth proportional to 153,921.40, 230,882.10 and 142,111.60 is: 213,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,921.40 : 230,882.10 = 142,111.60 : x
  2. Step 2: Convert to fraction form
    153,921.40/230,882.10 = 142,111.60/x
  3. Step 3: Cross multiply
    153,921.40x = 230,882.10 × 142,111.60
  4. Step 4: Simplify right side
    153,921.40x = 32,811,024,642.36
  5. Step 5: Solve for x
    x = 32,811,024,642.36/153,921.40
  6. Step 6: Final answer
    x = 213,167.40

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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.