Home / 152,124.56-227,089.30-128,531.60

Finding the Fourth Proportional to 152,124.56, 227,089.30 and 128,531.60

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Solution

The fourth proportional to 152,124.56, 227,089.30 and 128,531.60 is: 191,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,124.56 : 227,089.30 = 128,531.60 : x
  2. Step 2: Convert to fraction form
    152,124.56/227,089.30 = 128,531.60/x
  3. Step 3: Cross multiply
    152,124.56x = 227,089.30 × 128,531.60
  4. Step 4: Simplify right side
    152,124.56x = 29,188,151,071.88
  5. Step 5: Solve for x
    x = 29,188,151,071.88/152,124.56
  6. Step 6: Final answer
    x = 191,870.08

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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.