Home / 127,816.65-191,726.18-34,322.40

Finding the Fourth Proportional to 127,816.65, 191,726.18 and 34,322.40

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Solution

The fourth proportional to 127,816.65, 191,726.18 and 34,322.40 is: 51,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,816.65 : 191,726.18 = 34,322.40 : x
  2. Step 2: Convert to fraction form
    127,816.65/191,726.18 = 34,322.40/x
  3. Step 3: Cross multiply
    127,816.65x = 191,726.18 × 34,322.40
  4. Step 4: Simplify right side
    127,816.65x = 6,580,501,767.61
  5. Step 5: Solve for x
    x = 6,580,501,767.61/127,816.65
  6. Step 6: Final answer
    x = 51,483.92

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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.