Home / 113,971.72-157,280.38-62,988.04

Finding the Fourth Proportional to 113,971.72, 157,280.38 and 62,988.04

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Solution

The fourth proportional to 113,971.72, 157,280.38 and 62,988.04 is: 86,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,971.72 : 157,280.38 = 62,988.04 : x
  2. Step 2: Convert to fraction form
    113,971.72/157,280.38 = 62,988.04/x
  3. Step 3: Cross multiply
    113,971.72x = 157,280.38 × 62,988.04
  4. Step 4: Simplify right side
    113,971.72x = 9,906,782,866.66
  5. Step 5: Solve for x
    x = 9,906,782,866.66/113,971.72
  6. Step 6: Final answer
    x = 86,923.17

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1.5x scale

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.