Home / 153,459.56-230,112.23-89,438.31

Finding the Fourth Proportional to 153,459.56, 230,112.23 and 89,438.31

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Solution

The fourth proportional to 153,459.56, 230,112.23 and 89,438.31 is: 134,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,459.56 : 230,112.23 = 89,438.31 : x
  2. Step 2: Convert to fraction form
    153,459.56/230,112.23 = 89,438.31/x
  3. Step 3: Cross multiply
    153,459.56x = 230,112.23 × 89,438.31
  4. Step 4: Simplify right side
    153,459.56x = 20,580,848,514.34
  5. Step 5: Solve for x
    x = 20,580,848,514.34/153,459.56
  6. Step 6: Final answer
    x = 134,112.52

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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.