Home / 127,879.79-176,470.05-70,521.53

Finding the Fourth Proportional to 127,879.79, 176,470.05 and 70,521.53

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Solution

The fourth proportional to 127,879.79, 176,470.05 and 70,521.53 is: 97,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,879.79 : 176,470.05 = 70,521.53 : x
  2. Step 2: Convert to fraction form
    127,879.79/176,470.05 = 70,521.53/x
  3. Step 3: Cross multiply
    127,879.79x = 176,470.05 × 70,521.53
  4. Step 4: Simplify right side
    127,879.79x = 12,444,937,042.83
  5. Step 5: Solve for x
    x = 12,444,937,042.83/127,879.79
  6. Step 6: Final answer
    x = 97,317.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.