Home / 115,761.22-174,509.47-108,045.63

Finding the Fourth Proportional to 115,761.22, 174,509.47 and 108,045.63

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Solution

The fourth proportional to 115,761.22, 174,509.47 and 108,045.63 is: 162,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,761.22 : 174,509.47 = 108,045.63 : x
  2. Step 2: Convert to fraction form
    115,761.22/174,509.47 = 108,045.63/x
  3. Step 3: Cross multiply
    115,761.22x = 174,509.47 × 108,045.63
  4. Step 4: Simplify right side
    115,761.22x = 18,854,985,762.17
  5. Step 5: Solve for x
    x = 18,854,985,762.17/115,761.22
  6. Step 6: Final answer
    x = 162,878.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.