Home / 152,848.40-229,272.60-99,705.20

Finding the Fourth Proportional to 152,848.40, 229,272.60 and 99,705.20

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Solution

The fourth proportional to 152,848.40, 229,272.60 and 99,705.20 is: 149,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,848.40 : 229,272.60 = 99,705.20 : x
  2. Step 2: Convert to fraction form
    152,848.40/229,272.60 = 99,705.20/x
  3. Step 3: Cross multiply
    152,848.40x = 229,272.60 × 99,705.20
  4. Step 4: Simplify right side
    152,848.40x = 22,859,670,437.52
  5. Step 5: Solve for x
    x = 22,859,670,437.52/152,848.40
  6. Step 6: Final answer
    x = 149,557.80

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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.