Home / 117,155.34-161,674.07-63,440.35

Finding the Fourth Proportional to 117,155.34, 161,674.07 and 63,440.35

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Solution

The fourth proportional to 117,155.34, 161,674.07 and 63,440.35 is: 87,547.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,155.34 : 161,674.07 = 63,440.35 : x
  2. Step 2: Convert to fraction form
    117,155.34/161,674.07 = 63,440.35/x
  3. Step 3: Cross multiply
    117,155.34x = 161,674.07 × 63,440.35
  4. Step 4: Simplify right side
    117,155.34x = 10,256,660,149.51
  5. Step 5: Solve for x
    x = 10,256,660,149.51/117,155.34
  6. Step 6: Final answer
    x = 87,547.53

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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.