Home / 145,848.30-218,772.45-127,769.10

Finding the Fourth Proportional to 145,848.30, 218,772.45 and 127,769.10

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Solution

The fourth proportional to 145,848.30, 218,772.45 and 127,769.10 is: 191,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,848.30 : 218,772.45 = 127,769.10 : x
  2. Step 2: Convert to fraction form
    145,848.30/218,772.45 = 127,769.10/x
  3. Step 3: Cross multiply
    145,848.30x = 218,772.45 × 127,769.10
  4. Step 4: Simplify right side
    145,848.30x = 27,952,359,041.30
  5. Step 5: Solve for x
    x = 27,952,359,041.30/145,848.30
  6. Step 6: Final answer
    x = 191,653.65

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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.