Home / 153,503.28-229,129.06-142,246.34

Finding the Fourth Proportional to 153,503.28, 229,129.06 and 142,246.34

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Solution

The fourth proportional to 153,503.28, 229,129.06 and 142,246.34 is: 212,326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,503.28 : 229,129.06 = 142,246.34 : x
  2. Step 2: Convert to fraction form
    153,503.28/229,129.06 = 142,246.34/x
  3. Step 3: Cross multiply
    153,503.28x = 229,129.06 × 142,246.34
  4. Step 4: Simplify right side
    153,503.28x = 32,592,770,172.64
  5. Step 5: Solve for x
    x = 32,592,770,172.64/153,503.28
  6. Step 6: Final answer
    x = 212,326.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.