Home / 153,100.32-229,654.80-42,292.32

Finding the Fourth Proportional to 153,100.32, 229,654.80 and 42,292.32

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Solution

The fourth proportional to 153,100.32, 229,654.80 and 42,292.32 is: 63,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,100.32 : 229,654.80 = 42,292.32 : x
  2. Step 2: Convert to fraction form
    153,100.32/229,654.80 = 42,292.32/x
  3. Step 3: Cross multiply
    153,100.32x = 229,654.80 × 42,292.32
  4. Step 4: Simplify right side
    153,100.32x = 9,712,634,291.14
  5. Step 5: Solve for x
    x = 9,712,634,291.14/153,100.32
  6. Step 6: Final answer
    x = 63,439.67

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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.