Home / 113,969.70-157,277.79-62,981.01

Finding the Fourth Proportional to 113,969.70, 157,277.79 and 62,981.01

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Solution

The fourth proportional to 113,969.70, 157,277.79 and 62,981.01 is: 86,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,969.70 : 157,277.79 = 62,981.01 : x
  2. Step 2: Convert to fraction form
    113,969.70/157,277.79 = 62,981.01/x
  3. Step 3: Cross multiply
    113,969.70x = 157,277.79 × 62,981.01
  4. Step 4: Simplify right side
    113,969.70x = 9,905,514,064.77
  5. Step 5: Solve for x
    x = 9,905,514,064.77/113,969.70
  6. Step 6: Final answer
    x = 86,913.57

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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.